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From ntimof...@apache.org
Subject [cayenne-website] branch asf-site updated: Cayenne 4.1.B1 release
Date Mon, 18 Mar 2019 11:13:36 GMT
This is an automated email from the ASF dual-hosted git repository.

ntimofeev pushed a commit to branch asf-site
in repository https://gitbox.apache.org/repos/asf/cayenne-website.git


The following commit(s) were added to refs/heads/asf-site by this push:
     new c5228d1  Cayenne 4.1.B1 release
c5228d1 is described below

commit c5228d16b301ae3ec5c2855081e3312320759059
Author: Nikita Timofeev <stariy95@gmail.com>
AuthorDate: Mon Mar 18 14:13:22 2019 +0300

    Cayenne 4.1.B1 release
---
 .DS_Store                                          |   Bin 0 -> 6148 bytes
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diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..cff8ab3
Binary files /dev/null and b/.DS_Store differ
diff --git a/2014/09/cayenne-31-released.html b/2014/09/cayenne-31-released.html
index f6fe93d..e74381c 100644
--- a/2014/09/cayenne-31-released.html
+++ b/2014/09/cayenne-31-released.html
@@ -244,6 +244,11 @@ In addition, Apache Cayenne&rsquo;s HTML documentation and tutorials have been c
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -253,11 +258,6 @@ In addition, Apache Cayenne&rsquo;s HTML documentation and tutorials have been c
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/2015/03/cayenne-40m2-released.html b/2015/03/cayenne-40m2-released.html
index 0b4f6c7..d0641a0 100644
--- a/2015/03/cayenne-40m2-released.html
+++ b/2015/03/cayenne-40m2-released.html
@@ -420,6 +420,11 @@ Module module = new Module() {
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -429,11 +434,6 @@ Module module = new Module() {
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/2016/02/cayenne-40m3-released.html b/2016/02/cayenne-40m3-released.html
index afd6403..b724e03 100644
--- a/2016/02/cayenne-40m3-released.html
+++ b/2016/02/cayenne-40m3-released.html
@@ -323,6 +323,11 @@ this.runtime = new ServerRuntime(&quot;cayenne-project.xml&quot;, java8Module);
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -332,11 +337,6 @@ this.runtime = new ServerRuntime(&quot;cayenne-project.xml&quot;, java8Module);
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/2016/05/cayenne-311-released.html b/2016/05/cayenne-311-released.html
index 3c61187..d0b6a53 100644
--- a/2016/05/cayenne-311-released.html
+++ b/2016/05/cayenne-311-released.html
@@ -239,6 +239,11 @@ It can be downloaded from <a href="/download.html">here</a>.</p>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -248,11 +253,6 @@ It can be downloaded from <a href="/download.html">here</a>.</p>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/2016/12/cayenne-40M4-released.html b/2016/12/cayenne-40M4-released.html
index a91e570..8d0c726 100644
--- a/2016/12/cayenne-40M4-released.html
+++ b/2016/12/cayenne-40M4-released.html
@@ -380,6 +380,11 @@ int outParam = ProcedureCall.query(&quot;out_sp&quot;)
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -389,11 +394,6 @@ int outParam = ProcedureCall.query(&quot;out_sp&quot;)
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/2017/03/cayenne-40M5-released.html b/2017/03/cayenne-40M5-released.html
index 4284adb..273b3bd 100644
--- a/2017/03/cayenne-40M5-released.html
+++ b/2017/03/cayenne-40M5-released.html
@@ -330,6 +330,11 @@ we changed cdbimport plugin configuration to make it clearer and ready for futur
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -339,11 +344,6 @@ we changed cdbimport plugin configuration to make it clearer and ready for futur
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/2017/06/cayenne-40B1-released.html b/2017/06/cayenne-40B1-released.html
index 0f63024..a803f1c 100644
--- a/2017/06/cayenne-40B1-released.html
+++ b/2017/06/cayenne-40B1-released.html
@@ -92,7 +92,7 @@
                         
 
 <p>Apache Cayenne team is glad to announce a beta release of Cayenne 4.0. What this means for our users is
-that now the API is frozen and it is safe to try it out even if you are not usually confortable living
+that now the API is frozen and it is safe to try it out even if you are not usually comfortable living
 on the bleeding edge of unstable releases. We&rsquo;d like to hear from you about your upgrade experiences.
 And of course we&rsquo;ll strive to fix any remaining bugs before 4.0 goes final. To give you more confidence,
 we&rsquo;d like to mention that most of the Cayenne developers have been using 4.0 in production for years.</p>
@@ -315,6 +315,11 @@ dependencies {
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -324,11 +329,6 @@ dependencies {
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/2017/10/cayenne-40B2-released.html b/2017/10/cayenne-40B2-released.html
index 192bdde..39fa979 100644
--- a/2017/10/cayenne-40B2-released.html
+++ b/2017/10/cayenne-40B2-released.html
@@ -238,6 +238,11 @@ While API is frozen it includes only bug fixes and documentation updates.</p>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -247,11 +252,6 @@ While API is frozen it includes only bug fixes and documentation updates.</p>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/2017/10/cayenne-41m1-released.html b/2017/10/cayenne-41m1-released.html
index f8ffd76..3cce2f8 100644
--- a/2017/10/cayenne-41m1-released.html
+++ b/2017/10/cayenne-41m1-released.html
@@ -274,6 +274,11 @@ Future milestones will add storing configuration for cdbimport and cgen.</li>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -283,11 +288,6 @@ Future milestones will add storing configuration for cdbimport and cgen.</li>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/2017/11/cayenne-312-released.html b/2017/11/cayenne-312-released.html
index bebc939..bb5d37d 100644
--- a/2017/11/cayenne-312-released.html
+++ b/2017/11/cayenne-312-released.html
@@ -231,6 +231,11 @@ It can be downloaded from <a href="/download.html">here</a>.</p>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -240,11 +245,6 @@ It can be downloaded from <a href="/download.html">here</a>.</p>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/2018/04/cayenne-40rc1-released/index.html b/2018/04/cayenne-40rc1-released/index.html
index 62eaa46..38ab1d7 100644
--- a/2018/04/cayenne-40rc1-released/index.html
+++ b/2018/04/cayenne-40rc1-released/index.html
@@ -252,6 +252,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -261,11 +266,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/2018/07/cayenne-313-released.html b/2018/07/cayenne-313-released.html
index a4da0b6..e274c3d 100644
--- a/2018/07/cayenne-313-released.html
+++ b/2018/07/cayenne-313-released.html
@@ -226,6 +226,11 @@ It can be downloaded from <a href="/download.html">here</a>.</p>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -235,11 +240,6 @@ It can be downloaded from <a href="/download.html">here</a>.</p>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/2018/07/cayenne-41m2-released.html b/2018/07/cayenne-41m2-released.html
index 7f7f63e..43994b1 100644
--- a/2018/07/cayenne-41m2-released.html
+++ b/2018/07/cayenne-41m2-released.html
@@ -312,6 +312,11 @@ more over configuration is now saved so you can evolve it with your model and pe
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -321,11 +326,6 @@ more over configuration is now saved so you can evolve it with your model and pe
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/2018/08/cayenne-40-final-released/index.html b/2018/08/cayenne-40-final-released/index.html
index 3f2bc64..41ea090 100644
--- a/2018/08/cayenne-40-final-released/index.html
+++ b/2018/08/cayenne-40-final-released/index.html
@@ -257,6 +257,11 @@ It is a really important milestone for the entire Cayenne community. Here are so
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -266,11 +271,6 @@ It is a really important milestone for the entire Cayenne community. Here are so
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/2018/12/cayenne-401-released/index.html b/2018/12/cayenne-401-released/index.html
index a5e0d8e..eef5555 100644
--- a/2018/12/cayenne-401-released/index.html
+++ b/2018/12/cayenne-401-released/index.html
@@ -138,6 +138,12 @@ It can be downloaded from <a href="/download.html">here</a>.</p>
         <div class="row">
             <div class="col-12 col-md-6  text-center text-md-left">
                 
+                <a class="btn btn-link" href='/2019/03/cayenne-41b1-released.html'>
+                    <span class="d-block d-md-none  text-muted">Prev: </span>
+                    <i class="small  fa fa-chevron-left  mr-3l2  d-none d-md-inline"></i>
+                    Cayenne 4.1 Beta 2 Released
+                </a>
+                
             </div>
             <div class="col-12 col-md-6  text-center text-md-right">
                 
@@ -246,6 +252,11 @@ It can be downloaded from <a href="/download.html">here</a>.</p>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -255,11 +266,6 @@ It can be downloaded from <a href="/download.html">here</a>.</p>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/2019/03/cayenne-41b1-released.html b/2019/03/cayenne-41b1-released.html
new file mode 100644
index 0000000..dfa6d9e
--- /dev/null
+++ b/2019/03/cayenne-41b1-released.html
@@ -0,0 +1,322 @@
+<!DOCTYPE html>
+<html lang="en">
+    <head>
+        <meta charset="utf-8">
+        <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1.3">
+        <link rel="apple-touch-icon" sizes="180x180" href="/img/favicon/apple-touch-icon-04cb17e028.png">
+        <link rel="icon" type="image/png" sizes="32x32" href="/img/favicon/favicon-32x32-12431ee8eb.png">
+        <link rel="icon" type="image/png" sizes="16x16" href="/img/favicon/favicon-16x16-4f316e4d55.png">
+        <link rel="manifest" href="/img/favicon/manifest-65e6aaa49e.json">
+        <link rel="mask-icon" href="/img/favicon/safari-pinned-tab-558c1991b1.svg" color="#dc5656">
+        <link rel="shortcut icon" href="/img/favicon/favicon-6cef91375b.ico">
+        <meta name="msapplication-TileColor" content="#ffffff">
+        <meta name="msapplication-TileImage" content="/img/favicon/mstile-144x144-34e7696278.png">
+        <meta name="msapplication-config" content="/img/favicon/browserconfig-82ff158058.xml">
+        <meta name="theme-color" content="#ffffff">
+        <link rel="stylesheet" href="https://cayenne.apache.org/css/styles-179887de6c.css"/>
+        <script src="https://cayenne.apache.org/js/bundle-bcaaf59313.js"></script>
+        <title>Cayenne 4.1 Beta 2 Released &middot; Apache Cayenne</title>
+    </head>
+    <body>
+
+
+
+<header class="page-header">
+    <nav id="topbar" class="bg-dark" aria-label="breadcrumb" role="navigation">
+      <ul class="breadcrumb breadcrumb-sm breadcrumb-dark  container  mb-0">
+        <li class="breadcrumb-item dropdown">
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+    <main class="container  py-5">
+        
+                <section>
+                    <article>
+                        <h1 class="text-center">Cayenne 4.1 Beta 2 Released<br />
+                            <small class="font-size-1rem text-muted">Mar 18, 2019</small>
+                        </h1>
+                        
+
+<p>Apache Cayenne team is glad to announce first beta release of Cayenne 4.1.
+The API is frozen now and it is safe to try it out. From now on the 4.1 branch will concentrate on bug fixes.</p>
+
+<p>Cayenne can be downloaded from <a href="/download.html">here</a>.</p>
+
+<p>
+<div class="pb-3"></div>
+<h2 class="text-center">A full list of changes in this release:</h2>
+
+<div class="pb-2"></div></p>
+
+<h4 id="changes-new-features">Changes/New Features:</h4>
+
+<ul>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2446">CAY-2446</a> Run Disjoint By Id queries outside of synchronized block</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2447">CAY-2447</a> Crypto support for LocalDateTime</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2471">CAY-2471</a> Support multiple XML project versions</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2473">CAY-2473</a> Modeler: cleanup attributes and relationship editors</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2474">CAY-2474</a> Modeler: swap buttons in dialog toolbar</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2475">CAY-2475</a> Modeler: move inheritance icon to name column in objAttr table and objRel table</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2478">CAY-2478</a> cgen: Generate properties for PK</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2481">CAY-2481</a> Support for Object[] as return type in SQLTemplate and SQLExec</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2485">CAY-2485</a> Compact Slf4j Logger</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2487">CAY-2487</a> Removed usage of CayenneException.</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2489">CAY-2489</a> Modeler: Add validation to the case of not to PK relationships</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2491">CAY-2491</a> Modeler: Remaster Db Import View</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2493">CAY-2493</a> Save cgen configuration with datamap XML</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2494">CAY-2494</a> Rename dbImport tag from &lsquo;config&rsquo; to &lsquo;dbImport&rsquo;</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2499">CAY-2499</a> Support for COUNT(DISTINCT(column)) function aggregate</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2514">CAY-2514</a> Set SERVER_CONTEXTS_SYNC_PROPERTY default value to false</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2517">CAY-2517</a> EventManager: optimization of adding listeners</li>
+</ul>
+
+
+<div class="pb-2"></div>
+
+<h4 id="bug-fixes">Bug Fixes:</h4>
+
+<ul>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2320">CAY-2320</a> Modeler: Limit input into numeric fields to 10 digits</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2444">CAY-2444</a> Change URI from http:// to https:// in xsi:schemaLocation</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2445">CAY-2445</a> Oracle: Problem with ExpressionFactory.notInExp()</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2449">CAY-2449</a> Modeler: Needless scrollbar in Generate DB Schema result menu</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2450">CAY-2450</a> Modeler: Impossible to update Attribute title after syncing ObjEntity</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2451">CAY-2451</a> Modeler: ObjEntity &ldquo;Edit&rdquo; button doesn&rsquo;t open editor for Relationship</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2454">CAY-2454</a> Modeler: Unable to read validation message if it&rsquo;s truncated</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2455">CAY-2455</a> Modeler: The width of the pop-up window is very large</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2459">CAY-2459</a> Modeler: DataMap paste function is not working</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2462">CAY-2462</a> Modeler: Clipboard holds old content after application was reloaded</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2463">CAY-2463</a> Modeler: DB Schema generation doesn&rsquo;t work</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2464">CAY-2464</a> ClassCastException when returning PRUNED_NODE in expression transformer</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2470">CAY-2470</a> Can&rsquo;t bind SQLExec parameters in a loop</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2472">CAY-2472</a> Clear cached replacement query on mutation in all indirect queries</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2476">CAY-2476</a> Modeller: Fixed wrong behaviour of code generation dialog</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2480">CAY-2480</a> cayenne:cdbgen and cayenne:cgen have identical text in cayenne-maven-plugin</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2484">CAY-2484</a> maven plugins missing in 4.1.M2 release</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2490">CAY-2490</a> Modeler: Added dbEntities from other datamaps in dbRelationship dialog.</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2496">CAY-2496</a> Modeler: Fixed wrong table behavior: focus color, cleanup DBAttribute Path cell on select.</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2497">CAY-2497</a> Modeler: SQL Scripts tab isn&rsquo;t scrollable</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2501">CAY-2501</a> Modeler: DbImport ui not loading columns for MySQL connector v8.0</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2502">CAY-2502</a> Modeler: DataMap in DataNode tree view disappears after dbImport</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2504">CAY-2504</a> Broken detection logic of NoopEventBridge in DataRowStoreFactory</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2505">CAY-2505</a> EventBridge providers should be bound without scope</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2521">CAY-2521</a> Expression without Object ID disjoint issue</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2530">CAY-2530</a> Modeler: DB Import and Class Generation from Project is performed for removed datamaps</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2531">CAY-2531</a> Modeler: Importing same schema after Import Revert clears all entities in datamap</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2533">CAY-2533</a> Modeler: Exception on validating ObjRelationship without db path</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2535">CAY-2535</a> Modeler: Impossible to import stored procedure apart from db tables</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2537">CAY-2537</a> Modeler: Schema Generation Complete popup window is hidden</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2544">CAY-2544</a> Possible name clash of ivar and property name in generated class</li>
+<li><a href="https://issues.apache.org/jira/browse/CAY-2547">CAY-2547</a> CayenneDataObject serialization issue</li>
+</ul>
+
+                    </article>
+                </section>
+            
+        <div class="pb-3"></div>
+        <div class="row">
+            <div class="col-12 col-md-6  text-center text-md-left">
+                
+            </div>
+            <div class="col-12 col-md-6  text-center text-md-right">
+                
+                <a class="btn btn-link" href='/2018/12/cayenne-401-released/'>
+                    <span class="d-block d-md-none  text-muted">Next: </span>
+                    Cayenne 4.0.1 Released
+                    <i class="small  fa fa-chevron-right  ml-3l2  d-none d-md-inline"></i>
+                </a>
+                
+            </div>
+        </div>
+    </main>
+
+
+<footer class="bg-dark">
+    <div class="footer-nav container  text-center text-lg-left  pb-3">
+        <div class="row  pt-5 pb-3">
+            
+            <div class="col-sm-6 col-lg-3">
+                <h4>About</h4>
+                <ul class="list-unstyled">
+                    
+                    <li>
+                        <a href="/why-cayenne.html">Why Cayenne?</a>
+                    </li>
+                    
+                    <li>
+                        <a href="/download/">Download</a>
+                    </li>
+                    
+                    <li>
+                        <a href="/success-stories.html">Success Stories</a>
+                    </li>
+                    
+                    <li>
+                        <a href="/about/support/">Support</a>
+                    </li>
+                    
+                </ul>
+            </div>
+            
+            <div class="col-sm-6 col-lg-3">
+                <h4>Documentation</h4>
+                <ul class="list-unstyled">
+                    
+                    <li>
+                        <a href="/docs/4.0/getting-started-guide/">Getting Started (4.0)</a>
+                    </li>
+                    
+                    <li>
+                        <a href="/docs/4.1/getting-started-guide/">Getting Started (4.1)</a>
+                    </li>
+                    
+                    <li>
+                        <a href="/docs/4.0/cayenne-guide/">Cayenne Guide (4.0)</a>
+                    </li>
+                    
+                    <li>
+                        <a href="/docs/4.1/cayenne-guide/">Cayenne Guide (4.1)</a>
+                    </li>
+                    
+                    <li>
+                        <a href="/docs/4.1/getting-started-db-first/">Database First tutorial (4.1)</a>
+                    </li>
+                    
+                </ul>
+            </div>
+            
+            <div class="col-sm-6 col-lg-3">
+                <h4>Collaboration</h4>
+                <ul class="list-unstyled">
+                    
+                    <li>
+                        <a href="https://issues.apache.org/jira/browse/CAY">Bug/Feature Tracker</a>
+                    </li>
+                    
+                    <li>
+                        <a href="/mailing-lists.html">Mailing Lists</a>
+                    </li>
+                    
+                    <li>
+                        <a href="/dev/code-repository.html">Code Repository</a>
+                    </li>
+                    
+                    <li>
+                        <a href="/dev/">Developer Guide</a>
+                    </li>
+                    
+                    <li>
+                        <a href="/how-can-i-help.html">How can I help?</a>
+                    </li>
+                    
+                    <li>
+                        <a href="/contributors.html">Contributors</a>
+                    </li>
+                    
+                    <li>
+                        <a href="/thanks.html">Thanks</a>
+                    </li>
+                    
+                </ul>
+            </div>
+            
+            <div class="col-sm-6 col-lg-3">
+                <h4>News</h4>
+                <ul class="list-multiline-items list-unstyled  mb-0">
+                    
+                    <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
+                        <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
+                        <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
+                    </li>
+                    
+                    <li>
+                        <time datetime="2018-08-16 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Aug 16, 2018</time>
+                        <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
+                    </li>
+                    
+                </ul>
+                <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
+                    More news
+                    <i class="fa fa-lg fa-long-arrow-right" aria-hidden="true"></i>
+                </a>
+            </div>
+        </div>
+        <hr class="mt-0 mb-3" />
+        <p class="copy xsmall text-center  mw-75 mx-auto mb-0">
+            Copyright © 2001-2019 Apache Software Foundation. Apache Cayenne, Cayenne, Apache, the Apache feather logo, and the Apache Cayenne project logo are trademarks of The Apache Software Foundation. <a href="https://cayenne.apache.org/privacy-policy.html">Privacy policy</a>.
+            <img class="d-block  mx-auto mt-2" src="/img/logo_mono-3302daa3cf.svg" alt="Apache Cayenne" />
+        </p>
+    </div>
+</footer>
+    
+<script>
+(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+})(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
+
+ga('create', 'UA-7036673-1', 'auto');
+ga('send', 'pageview');
+</script>
+
+    </body>
+</html>
diff --git a/404.html b/404.html
index 189da80..6be2321 100644
--- a/404.html
+++ b/404.html
@@ -189,6 +189,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -198,11 +203,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/about/index.html b/about/index.html
index 2a901d0..816fdaf 100644
--- a/about/index.html
+++ b/about/index.html
@@ -213,6 +213,11 @@ can help your project.</p>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -222,11 +227,6 @@ can help your project.</p>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/about/support/index.html b/about/support/index.html
index e139f4b..77fe65c 100644
--- a/about/support/index.html
+++ b/about/support/index.html
@@ -206,6 +206,11 @@ and training. The company employs Cayenne original authors and a number of commi
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -215,11 +220,6 @@ and training. The company employs Cayenne original authors and a number of commi
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/collaboration/index.html b/collaboration/index.html
index 6d17511..8a6f47f 100644
--- a/collaboration/index.html
+++ b/collaboration/index.html
@@ -197,6 +197,11 @@ set of links to access Cayenne collaboration resources and information.</p>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -206,11 +211,6 @@ set of links to access Cayenne collaboration resources and information.</p>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/contributors.html b/contributors.html
index b205748..da356a0 100644
--- a/contributors.html
+++ b/contributors.html
@@ -358,6 +358,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -367,11 +372,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/database-support.html b/database-support.html
index 59ed376..c6f54d5 100644
--- a/database-support.html
+++ b/database-support.html
@@ -327,6 +327,11 @@ All databases below have custom Cayenne DbAdapters and are automatically recogni
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -336,11 +341,6 @@ All databases below have custom Cayenne DbAdapters and are automatically recogni
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/dev/building-cayenne.html b/dev/building-cayenne.html
index af92c6b..8c0e6ca 100644
--- a/dev/building-cayenne.html
+++ b/dev/building-cayenne.html
@@ -272,6 +272,11 @@ of a given assembly (otherwise assembly profile won&rsquo;t produce anything).</
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -281,11 +286,6 @@ of a given assembly (otherwise assembly profile won&rsquo;t produce anything).</
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/dev/cms-guide.html b/dev/cms-guide.html
index f7b5ec4..1beb873 100644
--- a/dev/cms-guide.html
+++ b/dev/cms-guide.html
@@ -330,6 +330,11 @@ are processed via Gulp tasks, and shouldn&rsquo;t be used directly, instead use
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -339,11 +344,6 @@ are processed via Gulp tasks, and shouldn&rsquo;t be used directly, instead use
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/dev/code-repository.html b/dev/code-repository.html
index feab512..d867ee3 100644
--- a/dev/code-repository.html
+++ b/dev/code-repository.html
@@ -239,6 +239,11 @@ in a read-only mode:<br />
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -248,11 +253,6 @@ in a read-only mode:<br />
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/dev/how_development_happens.html b/dev/how_development_happens.html
index f842dab..49e4202 100644
--- a/dev/how_development_happens.html
+++ b/dev/how_development_happens.html
@@ -256,6 +256,11 @@ are in the release pages of this site.</p>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -265,11 +270,6 @@ are in the release pages of this site.</p>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/dev/index.html b/dev/index.html
index d5d5155..c6c5d3c 100644
--- a/dev/index.html
+++ b/dev/index.html
@@ -221,6 +221,11 @@ information is probably of no use to you. Consult Cayenne user docs instead.</p>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -230,11 +235,6 @@ information is probably of no use to you. Consult Cayenne user docs instead.</p>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/dev/release-guide.html b/dev/release-guide.html
index 40334ab..3ea45f7 100644
--- a/dev/release-guide.html
+++ b/dev/release-guide.html
@@ -412,6 +412,11 @@ add any new features</p></li>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -421,11 +426,6 @@ add any new features</p></li>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/dev/running-unit-tests.html b/dev/running-unit-tests.html
index b8fbf1f..fe5331d 100644
--- a/dev/running-unit-tests.html
+++ b/dev/running-unit-tests.html
@@ -396,6 +396,11 @@ the example above). Note that in this case you should still use
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -405,11 +410,6 @@ the example above). Note that in this case you should still use
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/doap/cayenne.rdf b/doap/cayenne.rdf
index 1640baf..7ec6542 100644
--- a/doap/cayenne.rdf
+++ b/doap/cayenne.rdf
@@ -47,9 +47,9 @@
             </Version>
         </release><release>
             <Version>
-                <name>Alpha</name>
-                <created>2018-07-23</created>
-                <revision>4.1.M2</revision>
+                <name>Beta</name>
+                <created>2019-03-18</created>
+                <revision>4.1.B1</revision>
             </Version>
         </release><release>
             <Version>
diff --git a/docs/1.2/accessing-pk-and-fk-values.html b/docs/1.2/accessing-pk-and-fk-values.html
index cf90041..39681d8 100644
--- a/docs/1.2/accessing-pk-and-fk-values.html
+++ b/docs/1.2/accessing-pk-and-fk-values.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -318,6 +318,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -327,11 +332,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/acknowledgments.html b/docs/1.2/acknowledgments.html
index 94cf659..48839ea 100644
--- a/docs/1.2/acknowledgments.html
+++ b/docs/1.2/acknowledgments.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -244,6 +244,11 @@ We would like to thank our dedicated team of <A href="http://objectstyle.org/cay
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -253,11 +258,6 @@ We would like to thank our dedicated team of <A href="http://objectstyle.org/cay
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/ant-tasks.html b/docs/1.2/ant-tasks.html
index f276fff..9d5ddd1 100644
--- a/docs/1.2/ant-tasks.html
+++ b/docs/1.2/ant-tasks.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -264,6 +264,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -273,11 +278,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/building-expressions.html b/docs/1.2/building-expressions.html
index 9506251..659573b 100644
--- a/docs/1.2/building-expressions.html
+++ b/docs/1.2/building-expressions.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -398,6 +398,11 @@ values = dataContext.performQuery(query);
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -407,11 +412,6 @@ values = dataContext.performQuery(query);
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/caching-lookup-tables.html b/docs/1.2/caching-lookup-tables.html
index fbe3d41..b624f22 100644
--- a/docs/1.2/caching-lookup-tables.html
+++ b/docs/1.2/caching-lookup-tables.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -250,6 +250,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -259,11 +264,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/caching-query-results.html b/docs/1.2/caching-query-results.html
index 4e53a91..639f9df 100644
--- a/docs/1.2/caching-query-results.html
+++ b/docs/1.2/caching-query-results.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -365,6 +365,11 @@ List objects2 = context.performQuery(<SPAN class="code-quote">&quot;MyQuery&quot
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -374,11 +379,6 @@ List objects2 = context.performQuery(<SPAN class="code-quote">&quot;MyQuery&quot
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/cayenne-contract.html b/docs/1.2/cayenne-contract.html
index dcfe767..eddecb2 100644
--- a/docs/1.2/cayenne-contract.html
+++ b/docs/1.2/cayenne-contract.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -339,6 +339,11 @@ assertFalse(b1.getListOfA().contains(a1));</PRE>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -348,11 +353,6 @@ assertFalse(b1.getListOfA().contains(a1));</PRE>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/cayenne-datamaps.html b/docs/1.2/cayenne-datamaps.html
index f58feb1..4ffdd6a 100644
--- a/docs/1.2/cayenne-datamaps.html
+++ b/docs/1.2/cayenne-datamaps.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -244,6 +244,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -253,11 +258,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/cayenne-project-structure.html b/docs/1.2/cayenne-project-structure.html
index 1a27949..359ac8f 100644
--- a/docs/1.2/cayenne-project-structure.html
+++ b/docs/1.2/cayenne-project-structure.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -244,6 +244,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -253,11 +258,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/cayenne-projects.html b/docs/1.2/cayenne-projects.html
index ed3b0fd..c5b837b 100644
--- a/docs/1.2/cayenne-projects.html
+++ b/docs/1.2/cayenne-projects.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -263,6 +263,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -272,11 +277,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/cayenne-user-directory.html b/docs/1.2/cayenne-user-directory.html
index 3eb8699..2c6fcd2 100644
--- a/docs/1.2/cayenne-user-directory.html
+++ b/docs/1.2/cayenne-user-directory.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -262,6 +262,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -271,11 +276,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/cayennemodeler-and-eclipse.html b/docs/1.2/cayennemodeler-and-eclipse.html
index f7def4b..a6cf6ac 100644
--- a/docs/1.2/cayennemodeler-and-eclipse.html
+++ b/docs/1.2/cayennemodeler-and-eclipse.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -244,6 +244,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -253,11 +258,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/cayennemodeler-flattened-relationships.html b/docs/1.2/cayennemodeler-flattened-relationships.html
index fa05583..21feb77 100644
--- a/docs/1.2/cayennemodeler-flattened-relationships.html
+++ b/docs/1.2/cayennemodeler-flattened-relationships.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -255,6 +255,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -264,11 +269,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/cdataport.html b/docs/1.2/cdataport.html
index d251c26..06ee129 100644
--- a/docs/1.2/cdataport.html
+++ b/docs/1.2/cdataport.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -302,6 +302,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -311,11 +316,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/cdbgen.html b/docs/1.2/cdbgen.html
index 700af6c..b2d7cfe 100644
--- a/docs/1.2/cdbgen.html
+++ b/docs/1.2/cdbgen.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -327,6 +327,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -336,11 +341,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/cdeploy.html b/docs/1.2/cdeploy.html
index 3439a76..1629f6e 100644
--- a/docs/1.2/cdeploy.html
+++ b/docs/1.2/cdeploy.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -332,6 +332,11 @@ Nested node Parameters:</P>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -341,11 +346,6 @@ Nested node Parameters:</P>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/cgen.html b/docs/1.2/cgen.html
index 758cdbd..d629f9f 100644
--- a/docs/1.2/cgen.html
+++ b/docs/1.2/cgen.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -432,6 +432,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -441,11 +446,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/classpath.html b/docs/1.2/classpath.html
index e3660b3..a10d78f 100644
--- a/docs/1.2/classpath.html
+++ b/docs/1.2/classpath.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -248,6 +248,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -257,11 +262,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/common-modeling-tasks.html b/docs/1.2/common-modeling-tasks.html
index bea2cf9..e0e5aba 100644
--- a/docs/1.2/common-modeling-tasks.html
+++ b/docs/1.2/common-modeling-tasks.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -244,6 +244,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -253,11 +258,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/configuring-caching-behavior.html b/docs/1.2/configuring-caching-behavior.html
index 3dd8f6a..d28e2a4 100644
--- a/docs/1.2/configuring-caching-behavior.html
+++ b/docs/1.2/configuring-caching-behavior.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -270,6 +270,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -279,11 +284,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/configuring-deployment-settings.html b/docs/1.2/configuring-deployment-settings.html
index b5f8a85..11cc1ee 100644
--- a/docs/1.2/configuring-deployment-settings.html
+++ b/docs/1.2/configuring-deployment-settings.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -246,6 +246,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -255,11 +260,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/configuring-logging.html b/docs/1.2/configuring-logging.html
index b5a6879..0d97874 100644
--- a/docs/1.2/configuring-logging.html
+++ b/docs/1.2/configuring-logging.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -305,6 +305,11 @@ log4j.logger.org.objectstyle.cayenne.util = DEBUG
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -314,11 +319,6 @@ log4j.logger.org.objectstyle.cayenne.util = DEBUG
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/configuring-object-validation.html b/docs/1.2/configuring-object-validation.html
index 1ade926..24adee6 100644
--- a/docs/1.2/configuring-object-validation.html
+++ b/docs/1.2/configuring-object-validation.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -244,6 +244,11 @@ Each DataDomain can be configured to enable or disable DataObject pre-commit val
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -253,11 +258,6 @@ Each DataDomain can be configured to enable or disable DataObject pre-commit val
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/configuring-transactional-behavior.html b/docs/1.2/configuring-transactional-behavior.html
index bc249fc..db837f8 100644
--- a/docs/1.2/configuring-transactional-behavior.html
+++ b/docs/1.2/configuring-transactional-behavior.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -244,6 +244,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -253,11 +258,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/converting-an-existing-business-framework.html b/docs/1.2/converting-an-existing-business-framework.html
index aae5b15..d09f1de 100644
--- a/docs/1.2/converting-an-existing-business-framework.html
+++ b/docs/1.2/converting-an-existing-business-framework.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -269,6 +269,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -278,11 +283,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/create-datanode.html b/docs/1.2/create-datanode.html
index 788d419..894e10a 100644
--- a/docs/1.2/create-datanode.html
+++ b/docs/1.2/create-datanode.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -256,6 +256,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -265,11 +270,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/create-new-project.html b/docs/1.2/create-new-project.html
index b0f2905..8da0c9d 100644
--- a/docs/1.2/create-new-project.html
+++ b/docs/1.2/create-new-project.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -253,6 +253,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -262,11 +267,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/customizing-configuration.html b/docs/1.2/customizing-configuration.html
index e1c092f..2335032 100644
--- a/docs/1.2/customizing-configuration.html
+++ b/docs/1.2/customizing-configuration.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -297,6 +297,11 @@ Configuration.initializeSharedConfiguration(conf);
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -306,11 +311,6 @@ Configuration.initializeSharedConfiguration(conf);
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/customizing-queries.html b/docs/1.2/customizing-queries.html
index 047f3ca..3111a63 100644
--- a/docs/1.2/customizing-queries.html
+++ b/docs/1.2/customizing-queries.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -328,6 +328,11 @@ Map row = (Map) context.performQuery(query).get(0);
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -337,11 +342,6 @@ Map row = (Map) context.performQuery(query).get(0);
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/customizing.html b/docs/1.2/customizing.html
index 232534c..7b39e4a 100644
--- a/docs/1.2/customizing.html
+++ b/docs/1.2/customizing.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -248,6 +248,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -257,11 +262,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/data-rows.html b/docs/1.2/data-rows.html
index 6befb0c..e9d9e59 100644
--- a/docs/1.2/data-rows.html
+++ b/docs/1.2/data-rows.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -281,6 +281,11 @@ List artistRows = ctxt.performQuery(q);
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -290,11 +295,6 @@ List artistRows = ctxt.performQuery(q);
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/datachannel.html b/docs/1.2/datachannel.html
index 93834c2..c18fd34 100644
--- a/docs/1.2/datachannel.html
+++ b/docs/1.2/datachannel.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -264,6 +264,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -273,11 +278,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/datacontext.html b/docs/1.2/datacontext.html
index caac77a..aaf5e82 100644
--- a/docs/1.2/datacontext.html
+++ b/docs/1.2/datacontext.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -246,6 +246,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -255,11 +260,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/datacontextdelegate.html b/docs/1.2/datacontextdelegate.html
index 10ad331..1f565c7 100644
--- a/docs/1.2/datacontextdelegate.html
+++ b/docs/1.2/datacontextdelegate.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -261,6 +261,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -270,11 +275,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/datacontextfactory.html b/docs/1.2/datacontextfactory.html
index 6da8b78..09bf118 100644
--- a/docs/1.2/datacontextfactory.html
+++ b/docs/1.2/datacontextfactory.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -244,6 +244,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -253,11 +258,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/datanode.html b/docs/1.2/datanode.html
index 45c62df..eb78fe3 100644
--- a/docs/1.2/datanode.html
+++ b/docs/1.2/datanode.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -244,6 +244,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -253,11 +258,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/dataobject-state-management.html b/docs/1.2/dataobject-state-management.html
index 65a7bb7..80d4212 100644
--- a/docs/1.2/dataobject-state-management.html
+++ b/docs/1.2/dataobject-state-management.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -366,6 +366,11 @@ DataContext context; <SPAN class="code-comment">// assume <SPAN class="code-keyw
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -375,11 +380,6 @@ DataContext context; <SPAN class="code-comment">// assume <SPAN class="code-keyw
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/dataobject-validation.html b/docs/1.2/dataobject-validation.html
index 6b12a49..48997b3 100644
--- a/docs/1.2/dataobject-validation.html
+++ b/docs/1.2/dataobject-validation.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -292,6 +292,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -301,11 +306,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/dataobjects-example.html b/docs/1.2/dataobjects-example.html
index 738f326..4b20647 100644
--- a/docs/1.2/dataobjects-example.html
+++ b/docs/1.2/dataobjects-example.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -301,6 +301,11 @@ List realExpensiveArt = ctxt.performQuery(q);
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -310,11 +315,6 @@ List realExpensiveArt = ctxt.performQuery(q);
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/dataobjects.html b/docs/1.2/dataobjects.html
index 0225059..945fb4e 100644
--- a/docs/1.2/dataobjects.html
+++ b/docs/1.2/dataobjects.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -248,6 +248,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -257,11 +262,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/dataobjectutils.html b/docs/1.2/dataobjectutils.html
index fa02033..d1afd04 100644
--- a/docs/1.2/dataobjectutils.html
+++ b/docs/1.2/dataobjectutils.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -264,6 +264,11 @@ DataContext context = ...;
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -273,11 +278,6 @@ DataContext context = ...;
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/datasource.html b/docs/1.2/datasource.html
index 2c130ff..b8b9520 100644
--- a/docs/1.2/datasource.html
+++ b/docs/1.2/datasource.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -245,6 +245,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -254,11 +259,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/dataview-concepts.html b/docs/1.2/dataview-concepts.html
index 6ce2478..f36c43c 100644
--- a/docs/1.2/dataview-concepts.html
+++ b/docs/1.2/dataview-concepts.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -287,6 +287,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -296,11 +301,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/dataviews-in-action.html b/docs/1.2/dataviews-in-action.html
index 5b50538..a1b6c01 100644
--- a/docs/1.2/dataviews-in-action.html
+++ b/docs/1.2/dataviews-in-action.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -293,6 +293,11 @@ featureTable.setModel(tableModel);
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -302,11 +307,6 @@ featureTable.setModel(tableModel);
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/dataviews.html b/docs/1.2/dataviews.html
index 143f5e1..3173224 100644
--- a/docs/1.2/dataviews.html
+++ b/docs/1.2/dataviews.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -251,6 +251,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -260,11 +265,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/dbadapter.html b/docs/1.2/dbadapter.html
index 9f252f8..f62f26a 100644
--- a/docs/1.2/dbadapter.html
+++ b/docs/1.2/dbadapter.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -261,6 +261,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -270,11 +275,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/delete-rules.html b/docs/1.2/delete-rules.html
index 32e7232..125d892 100644
--- a/docs/1.2/delete-rules.html
+++ b/docs/1.2/delete-rules.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -263,6 +263,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -272,11 +277,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/deleting-objects.html b/docs/1.2/deleting-objects.html
index 02cfb79..3f98492 100644
--- a/docs/1.2/deleting-objects.html
+++ b/docs/1.2/deleting-objects.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -281,6 +281,11 @@ Iterator it = artist.getPaintings().iterator();
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -290,11 +295,6 @@ Iterator it = artist.getPaintings().iterator();
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/deployment-with-ant.html b/docs/1.2/deployment-with-ant.html
index b0de8b3..99d86ea 100644
--- a/docs/1.2/deployment-with-ant.html
+++ b/docs/1.2/deployment-with-ant.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -250,6 +250,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -259,11 +264,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/deployment.html b/docs/1.2/deployment.html
index 03f01bc..d133823 100644
--- a/docs/1.2/deployment.html
+++ b/docs/1.2/deployment.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -255,6 +255,11 @@ DataDomain domain = conf.getDomain();
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -264,11 +269,6 @@ DataDomain domain = conf.getDomain();
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/design.html b/docs/1.2/design.html
index 09362a9..fe5e74f 100644
--- a/docs/1.2/design.html
+++ b/docs/1.2/design.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -255,6 +255,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -264,11 +269,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/dvmodeler-gui-tool.html b/docs/1.2/dvmodeler-gui-tool.html
index 7af9d0b..8f21058 100644
--- a/docs/1.2/dvmodeler-gui-tool.html
+++ b/docs/1.2/dvmodeler-gui-tool.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -255,6 +255,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -264,11 +269,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/entityresolver.html b/docs/1.2/entityresolver.html
index 76800ad..b588629 100644
--- a/docs/1.2/entityresolver.html
+++ b/docs/1.2/entityresolver.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -244,6 +244,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -253,11 +258,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/event-package.html b/docs/1.2/event-package.html
index 9038314..d6b31e6 100644
--- a/docs/1.2/event-package.html
+++ b/docs/1.2/event-package.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -254,6 +254,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -263,11 +268,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/executing-a-stored-procedure.html b/docs/1.2/executing-a-stored-procedure.html
index d6d074d..6a6ef14 100644
--- a/docs/1.2/executing-a-stored-procedure.html
+++ b/docs/1.2/executing-a-stored-procedure.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -301,6 +301,11 @@ query.addParam(<SPAN class="code-quote">&quot;parameter2&quot;</SPAN>, <SPAN cla
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -310,11 +315,6 @@ query.addParam(<SPAN class="code-quote">&quot;parameter2&quot;</SPAN>, <SPAN cla
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/expression-factory-utilities.html b/docs/1.2/expression-factory-utilities.html
index 2a6d8b8..c736da1 100644
--- a/docs/1.2/expression-factory-utilities.html
+++ b/docs/1.2/expression-factory-utilities.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -334,6 +334,11 @@ SelectQuery select = <SPAN class="code-keyword">new</SPAN> SelectQuery(Artist.cl
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -343,11 +348,6 @@ SelectQuery select = <SPAN class="code-keyword">new</SPAN> SelectQuery(Artist.cl
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/expressions.html b/docs/1.2/expressions.html
index cf9977b..c7872e5 100644
--- a/docs/1.2/expressions.html
+++ b/docs/1.2/expressions.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -245,6 +245,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -254,11 +259,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/extended-types.html b/docs/1.2/extended-types.html
index daabb03..1a943e8 100644
--- a/docs/1.2/extended-types.html
+++ b/docs/1.2/extended-types.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -262,6 +262,11 @@ DataNode node = domain.getNode(<SPAN class="code-quote">&quot;node_name_from_the
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -271,11 +276,6 @@ DataNode node = domain.getNode(<SPAN class="code-quote">&quot;node_name_from_the
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/flattened-relationships.html b/docs/1.2/flattened-relationships.html
index 9a1556b..b9835c1 100644
--- a/docs/1.2/flattened-relationships.html
+++ b/docs/1.2/flattened-relationships.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -243,6 +243,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -252,11 +257,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/general-navigation.html b/docs/1.2/general-navigation.html
index 4f239a2..ecb3e19 100644
--- a/docs/1.2/general-navigation.html
+++ b/docs/1.2/general-navigation.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -291,6 +291,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -300,11 +305,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/general-preferences.html b/docs/1.2/general-preferences.html
index 4280ab7..e9ada0b 100644
--- a/docs/1.2/general-preferences.html
+++ b/docs/1.2/general-preferences.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -244,6 +244,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -253,11 +258,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/generate-database-schema.html b/docs/1.2/generate-database-schema.html
index df90f34..87841aa 100644
--- a/docs/1.2/generate-database-schema.html
+++ b/docs/1.2/generate-database-schema.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -250,6 +250,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -259,11 +264,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/generate-java-classes.html b/docs/1.2/generate-java-classes.html
index d40319a..bf1170e 100644
--- a/docs/1.2/generate-java-classes.html
+++ b/docs/1.2/generate-java-classes.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -264,6 +264,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -273,11 +278,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/generate-primary-key-support.html b/docs/1.2/generate-primary-key-support.html
index b3623ad..3f03194 100644
--- a/docs/1.2/generate-primary-key-support.html
+++ b/docs/1.2/generate-primary-key-support.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -254,6 +254,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -263,11 +268,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/generated-columns.html b/docs/1.2/generated-columns.html
index 828dcf4..8da0161 100644
--- a/docs/1.2/generated-columns.html
+++ b/docs/1.2/generated-columns.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -288,6 +288,11 @@ adapter.setSupportsGeneratedKeys(<SPAN class="code-keyword">true</SPAN>);
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -297,11 +302,6 @@ adapter.setSupportsGeneratedKeys(<SPAN class="code-keyword">true</SPAN>);
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/generic-persistent-class.html b/docs/1.2/generic-persistent-class.html
index cccd505..1d6d924 100644
--- a/docs/1.2/generic-persistent-class.html
+++ b/docs/1.2/generic-persistent-class.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -316,6 +316,11 @@ SelectQuery q = <SPAN class="code-keyword">new</SPAN> SelectQuery(<SPAN class="c
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -325,11 +330,6 @@ SelectQuery q = <SPAN class="code-keyword">new</SPAN> SelectQuery(<SPAN class="c
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/guide-to-11-features.html b/docs/1.2/guide-to-11-features.html
index 839fe3d..1091aa2 100644
--- a/docs/1.2/guide-to-11-features.html
+++ b/docs/1.2/guide-to-11-features.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -374,6 +374,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -383,11 +388,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/guide-to-12-features.html b/docs/1.2/guide-to-12-features.html
index 2f5c3f7..0855921 100644
--- a/docs/1.2/guide-to-12-features.html
+++ b/docs/1.2/guide-to-12-features.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -395,6 +395,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -404,11 +409,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/handling-inheritance.html b/docs/1.2/handling-inheritance.html
index a96fe6c..3b89f60 100644
--- a/docs/1.2/handling-inheritance.html
+++ b/docs/1.2/handling-inheritance.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -329,6 +329,11 @@ List employees = context.performQuery(query);
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -338,11 +343,6 @@ List employees = context.performQuery(query);
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/in-memory-evaluation.html b/docs/1.2/in-memory-evaluation.html
index fe72bc7..e8efaae 100644
--- a/docs/1.2/in-memory-evaluation.html
+++ b/docs/1.2/in-memory-evaluation.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -294,6 +294,11 @@ List startWithA = exp.filterObjects(artists);
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -303,11 +308,6 @@ List startWithA = exp.filterObjects(artists);
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/index.html b/docs/1.2/index.html
index dd988f2..e09e89d 100644
--- a/docs/1.2/index.html
+++ b/docs/1.2/index.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -249,6 +249,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -258,11 +263,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/installation.html b/docs/1.2/installation.html
index 6dce9fb..ef6f8fc 100644
--- a/docs/1.2/installation.html
+++ b/docs/1.2/installation.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -265,6 +265,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -274,11 +279,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/introduction-to-cayennemodeler.html b/docs/1.2/introduction-to-cayennemodeler.html
index f233014..0b8c340 100644
--- a/docs/1.2/introduction-to-cayennemodeler.html
+++ b/docs/1.2/introduction-to-cayennemodeler.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -258,6 +258,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -267,11 +272,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/introduction.html b/docs/1.2/introduction.html
index ddaba27..8ce719a 100644
--- a/docs/1.2/introduction.html
+++ b/docs/1.2/introduction.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -259,6 +259,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -268,11 +273,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/iterating-through-data-rows.html b/docs/1.2/iterating-through-data-rows.html
index 84b7c72..fa87b23 100644
--- a/docs/1.2/iterating-through-data-rows.html
+++ b/docs/1.2/iterating-through-data-rows.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -293,6 +293,11 @@ ResultIterator it = <SPAN class="code-keyword">null</SPAN>;
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -302,11 +307,6 @@ ResultIterator it = <SPAN class="code-keyword">null</SPAN>;
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/jar-files-and-dependencies.html b/docs/1.2/jar-files-and-dependencies.html
index 34c2fd4..40ecf37 100644
--- a/docs/1.2/jar-files-and-dependencies.html
+++ b/docs/1.2/jar-files-and-dependencies.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -291,6 +291,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -300,11 +305,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/java-interface-to-an-existing-database.html b/docs/1.2/java-interface-to-an-existing-database.html
index 073f730..538fde7 100644
--- a/docs/1.2/java-interface-to-an-existing-database.html
+++ b/docs/1.2/java-interface-to-an-existing-database.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -253,6 +253,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -262,11 +267,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/license.html b/docs/1.2/license.html
index b0b4989..ae38957 100644
--- a/docs/1.2/license.html
+++ b/docs/1.2/license.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -297,6 +297,11 @@ information on the ObjectStyle Group, please see http://objectstyle.org/.
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -306,11 +311,6 @@ information on the ObjectStyle Group, please see http://objectstyle.org/.
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/local-datasources.html b/docs/1.2/local-datasources.html
index 5e31ede..a6081a2 100644
--- a/docs/1.2/local-datasources.html
+++ b/docs/1.2/local-datasources.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -246,6 +246,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -255,11 +260,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/many-to-many-relationships.html b/docs/1.2/many-to-many-relationships.html
index b851b82..4683976 100644
--- a/docs/1.2/many-to-many-relationships.html
+++ b/docs/1.2/many-to-many-relationships.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -249,6 +249,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -258,11 +263,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/modeler-guide.html b/docs/1.2/modeler-guide.html
index c2f3419..093ecd9 100644
--- a/docs/1.2/modeler-guide.html
+++ b/docs/1.2/modeler-guide.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -260,6 +260,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -269,11 +274,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/modeling-database-layer.html b/docs/1.2/modeling-database-layer.html
index 0e841ac..e0bb688 100644
--- a/docs/1.2/modeling-database-layer.html
+++ b/docs/1.2/modeling-database-layer.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -246,6 +246,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -255,11 +260,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/modeling-inheritance.html b/docs/1.2/modeling-inheritance.html
index 42d1998..457feb1 100644
--- a/docs/1.2/modeling-inheritance.html
+++ b/docs/1.2/modeling-inheritance.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -289,6 +289,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -298,11 +303,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/modeling-object-layer.html b/docs/1.2/modeling-object-layer.html
index 1f203db..3d32fa4 100644
--- a/docs/1.2/modeling-object-layer.html
+++ b/docs/1.2/modeling-object-layer.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -243,6 +243,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -252,11 +257,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/modeling-objentities.html b/docs/1.2/modeling-objentities.html
index f0131fc..0d40979 100644
--- a/docs/1.2/modeling-objentities.html
+++ b/docs/1.2/modeling-objentities.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -259,6 +259,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -268,11 +273,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/modeling-queries.html b/docs/1.2/modeling-queries.html
index ef26ecd..8bd69ea 100644
--- a/docs/1.2/modeling-queries.html
+++ b/docs/1.2/modeling-queries.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -244,6 +244,11 @@ TBD </P>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -253,11 +258,6 @@ TBD </P>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/modeling-remote-persistence.html b/docs/1.2/modeling-remote-persistence.html
index 46eacbf..3b4e5e2 100644
--- a/docs/1.2/modeling-remote-persistence.html
+++ b/docs/1.2/modeling-remote-persistence.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -257,6 +257,11 @@ See Also <A href="../doc/remote-object-persistence-guide.html" title="Remote Obj
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -266,11 +271,6 @@ See Also <A href="../doc/remote-object-persistence-guide.html" title="Remote Obj
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/modeling-tips.html b/docs/1.2/modeling-tips.html
index 23f467d..0e3e168 100644
--- a/docs/1.2/modeling-tips.html
+++ b/docs/1.2/modeling-tips.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -253,6 +253,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -262,11 +267,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/moving-objects-between-contexts.html b/docs/1.2/moving-objects-between-contexts.html
index 2564fff..def775a 100644
--- a/docs/1.2/moving-objects-between-contexts.html
+++ b/docs/1.2/moving-objects-between-contexts.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -261,6 +261,11 @@ User user; <SPAN class="code-comment">// assume <SPAN class="code-keyword">this<
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -270,11 +275,6 @@ User user; <SPAN class="code-comment">// assume <SPAN class="code-keyword">this<
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/namedquery.html b/docs/1.2/namedquery.html
index 077872c..962557f 100644
--- a/docs/1.2/namedquery.html
+++ b/docs/1.2/namedquery.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -253,6 +253,11 @@ List matchingUsers = context.performQuery(query);
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -262,11 +267,6 @@ List matchingUsers = context.performQuery(query);
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/nested-datacontexts.html b/docs/1.2/nested-datacontexts.html
index 2e9ad82..bb87f2d 100644
--- a/docs/1.2/nested-datacontexts.html
+++ b/docs/1.2/nested-datacontexts.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -284,6 +284,11 @@ DataContext child = context.createChildDataContext();</PRE>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -293,11 +298,6 @@ DataContext child = context.createChildDataContext();</PRE>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/new-system.html b/docs/1.2/new-system.html
index 1d01d1c..b59da47 100644
--- a/docs/1.2/new-system.html
+++ b/docs/1.2/new-system.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -253,6 +253,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -262,11 +267,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/null-handling.html b/docs/1.2/null-handling.html
index 3dc314d..b1a6efe 100644
--- a/docs/1.2/null-handling.html
+++ b/docs/1.2/null-handling.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -251,6 +251,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -260,11 +265,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/object-caching.html b/docs/1.2/object-caching.html
index aa4bbaa..e0d14c4 100644
--- a/docs/1.2/object-caching.html
+++ b/docs/1.2/object-caching.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -305,6 +305,11 @@ domain.getEventManager().addListener(
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -314,11 +319,6 @@ domain.getEventManager().addListener(
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/objectcontext.html b/docs/1.2/objectcontext.html
index 73461ef..e81651e 100644
--- a/docs/1.2/objectcontext.html
+++ b/docs/1.2/objectcontext.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -244,6 +244,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -253,11 +258,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/objectidquery.html b/docs/1.2/objectidquery.html
index 4101d21..9ad8f25 100644
--- a/docs/1.2/objectidquery.html
+++ b/docs/1.2/objectidquery.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -298,6 +298,11 @@ Artist object = (Artist) DataObjectUtils.objectForQuery(context, query);
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -307,11 +312,6 @@ Artist object = (Artist) DataObjectUtils.objectForQuery(context, query);
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/obtaining-datacontext.html b/docs/1.2/obtaining-datacontext.html
index cfce5e7..077285b 100644
--- a/docs/1.2/obtaining-datacontext.html
+++ b/docs/1.2/obtaining-datacontext.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -312,6 +312,11 @@ DataContext context = DataContext.createDataContext(domainName);</PRE>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -321,11 +326,6 @@ DataContext context = DataContext.createDataContext(domainName);</PRE>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/orm-case-study.html b/docs/1.2/orm-case-study.html
index ccfc90b..e453786 100644
--- a/docs/1.2/orm-case-study.html
+++ b/docs/1.2/orm-case-study.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -256,6 +256,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -265,11 +270,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/paginated-queries.html b/docs/1.2/paginated-queries.html
index b766a29..8aa0f29 100644
--- a/docs/1.2/paginated-queries.html
+++ b/docs/1.2/paginated-queries.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -283,6 +283,11 @@ q.setPageSize(50);
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -292,11 +297,6 @@ q.setPageSize(50);
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/parameterized-queries.html b/docs/1.2/parameterized-queries.html
index 0ea715e..a1277bd 100644
--- a/docs/1.2/parameterized-queries.html
+++ b/docs/1.2/parameterized-queries.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -318,6 +318,11 @@ SelectQuery query2 = proto.queryWithParameters(params2);
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -327,11 +332,6 @@ SelectQuery query2 = proto.queryWithParameters(params2);
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/path-expressions.html b/docs/1.2/path-expressions.html
index 4fb8ff4..19d9c73 100644
--- a/docs/1.2/path-expressions.html
+++ b/docs/1.2/path-expressions.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -272,6 +272,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -281,11 +286,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/performance-tuning.html b/docs/1.2/performance-tuning.html
index ab2e421..1dda00d 100644
--- a/docs/1.2/performance-tuning.html
+++ b/docs/1.2/performance-tuning.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -252,6 +252,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -261,11 +266,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/persistent-object-lifecycle.html b/docs/1.2/persistent-object-lifecycle.html
index e51be5a..40568f2 100644
--- a/docs/1.2/persistent-object-lifecycle.html
+++ b/docs/1.2/persistent-object-lifecycle.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -251,6 +251,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -260,11 +265,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/preferences-panel.html b/docs/1.2/preferences-panel.html
index 05b9f17..c65de7d 100644
--- a/docs/1.2/preferences-panel.html
+++ b/docs/1.2/preferences-panel.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -254,6 +254,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -263,11 +268,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/prefetching.html b/docs/1.2/prefetching.html
index cde48e4..767f8ab 100644
--- a/docs/1.2/prefetching.html
+++ b/docs/1.2/prefetching.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -360,6 +360,11 @@ context.performQuery(query);
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -369,11 +374,6 @@ context.performQuery(query);
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/primary-key-generation.html b/docs/1.2/primary-key-generation.html
index 5e5239e..be70ec0 100644
--- a/docs/1.2/primary-key-generation.html
+++ b/docs/1.2/primary-key-generation.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -309,6 +309,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -318,11 +323,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/qualifier-expressions.html b/docs/1.2/qualifier-expressions.html
index e813196..e090167 100644
--- a/docs/1.2/qualifier-expressions.html
+++ b/docs/1.2/qualifier-expressions.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -258,6 +258,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -267,11 +272,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/queries-stored-in-datamap.html b/docs/1.2/queries-stored-in-datamap.html
index 6d0c74d..f34dfbc 100644
--- a/docs/1.2/queries-stored-in-datamap.html
+++ b/docs/1.2/queries-stored-in-datamap.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -269,6 +269,11 @@ SelectQuery query = prototype.queryWithParameters(params);
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -278,11 +283,6 @@ SelectQuery query = prototype.queryWithParameters(params);
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/queries.html b/docs/1.2/queries.html
index ddeef95..d75e34d 100644
--- a/docs/1.2/queries.html
+++ b/docs/1.2/queries.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -268,6 +268,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -277,11 +282,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/querychain.html b/docs/1.2/querychain.html
index cfb9c70..c5f4aa0 100644
--- a/docs/1.2/querychain.html
+++ b/docs/1.2/querychain.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -252,6 +252,11 @@ context.performNonSelectingQuery(query);
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -261,11 +266,6 @@ context.performNonSelectingQuery(query);
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/quick-start.html b/docs/1.2/quick-start.html
index 8b96644..686d747 100644
--- a/docs/1.2/quick-start.html
+++ b/docs/1.2/quick-start.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -281,6 +281,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -290,11 +295,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/relationshipquery.html b/docs/1.2/relationshipquery.html
index f54ab2f..e1781fc 100644
--- a/docs/1.2/relationshipquery.html
+++ b/docs/1.2/relationshipquery.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -248,6 +248,11 @@ List paintings = context.performQuery(query);</PRE>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -257,11 +262,6 @@ List paintings = context.performQuery(query);</PRE>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/relationships.html b/docs/1.2/relationships.html
index ea7d00d..ed23bbd 100644
--- a/docs/1.2/relationships.html
+++ b/docs/1.2/relationships.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -283,6 +283,11 @@ artist.addToPaintingArray(newPainting);
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -292,11 +297,6 @@ artist.addToPaintingArray(newPainting);
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/remote-object-persistence-client-deployment.html b/docs/1.2/remote-object-persistence-client-deployment.html
index fc536de..3af4870 100644
--- a/docs/1.2/remote-object-persistence-client-deployment.html
+++ b/docs/1.2/remote-object-persistence-client-deployment.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -282,6 +282,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -291,11 +296,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/remote-object-persistence-coding-client.html b/docs/1.2/remote-object-persistence-coding-client.html
index 3f611b2..1cc730c 100644
--- a/docs/1.2/remote-object-persistence-coding-client.html
+++ b/docs/1.2/remote-object-persistence-coding-client.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -304,6 +304,11 @@ ObjectContext context = <SPAN class="code-keyword">new</SPAN> CayenneContext(cli
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -313,11 +318,6 @@ ObjectContext context = <SPAN class="code-keyword">new</SPAN> CayenneContext(cli
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/remote-object-persistence-coding-server.html b/docs/1.2/remote-object-persistence-coding-server.html
index cce9652..92e8e35 100644
--- a/docs/1.2/remote-object-persistence-coding-server.html
+++ b/docs/1.2/remote-object-persistence-coding-server.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -244,6 +244,11 @@ In the simplest case, there is no custom code on the server. The server would on
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -253,11 +258,6 @@ In the simplest case, there is no custom code on the server. The server would on
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/remote-object-persistence-comparison.html b/docs/1.2/remote-object-persistence-comparison.html
index 7633366..051921f 100644
--- a/docs/1.2/remote-object-persistence-comparison.html
+++ b/docs/1.2/remote-object-persistence-comparison.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -248,6 +248,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -257,11 +262,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/remote-object-persistence-cws-deployment.html b/docs/1.2/remote-object-persistence-cws-deployment.html
index 350cfce..be0f0c2 100644
--- a/docs/1.2/remote-object-persistence-cws-deployment.html
+++ b/docs/1.2/remote-object-persistence-cws-deployment.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -347,6 +347,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -356,11 +361,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/remote-object-persistence-features.html b/docs/1.2/remote-object-persistence-features.html
index 0f2cebb..6e4b1e1 100644
--- a/docs/1.2/remote-object-persistence-features.html
+++ b/docs/1.2/remote-object-persistence-features.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -257,6 +257,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -266,11 +271,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/remote-object-persistence-guide.html b/docs/1.2/remote-object-persistence-guide.html
index 9076e01..ffc6bd1 100644
--- a/docs/1.2/remote-object-persistence-guide.html
+++ b/docs/1.2/remote-object-persistence-guide.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -259,6 +259,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -268,11 +273,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/remote-object-persistence-installation.html b/docs/1.2/remote-object-persistence-installation.html
index 92cfb76..90fb94a 100644
--- a/docs/1.2/remote-object-persistence-installation.html
+++ b/docs/1.2/remote-object-persistence-installation.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -260,6 +260,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -269,11 +274,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/remote-object-persistence-introduction.html b/docs/1.2/remote-object-persistence-introduction.html
index a3d0235..a9252ed 100644
--- a/docs/1.2/remote-object-persistence-introduction.html
+++ b/docs/1.2/remote-object-persistence-introduction.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -255,6 +255,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -264,11 +269,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/remote-object-persistence-limitations.html b/docs/1.2/remote-object-persistence-limitations.html
index 0169df1..ec0f5ba 100644
--- a/docs/1.2/remote-object-persistence-limitations.html
+++ b/docs/1.2/remote-object-persistence-limitations.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -254,6 +254,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -263,11 +268,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/remote-object-persistence-quick-start.html b/docs/1.2/remote-object-persistence-quick-start.html
index 9e680c5..22137d7 100644
--- a/docs/1.2/remote-object-persistence-quick-start.html
+++ b/docs/1.2/remote-object-persistence-quick-start.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -257,6 +257,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -266,11 +271,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/remote-object-persistence-security.html b/docs/1.2/remote-object-persistence-security.html
index c60efcb..f74c834 100644
--- a/docs/1.2/remote-object-persistence-security.html
+++ b/docs/1.2/remote-object-persistence-security.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -249,6 +249,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -258,11 +263,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/remote-object-persistence-tutorial-authentication.html b/docs/1.2/remote-object-persistence-tutorial-authentication.html
index 82cb9ab..690f156 100644
--- a/docs/1.2/remote-object-persistence-tutorial-authentication.html
+++ b/docs/1.2/remote-object-persistence-tutorial-authentication.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -384,6 +384,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -393,11 +398,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/remote-object-persistence-tutorial-client-code.html b/docs/1.2/remote-object-persistence-tutorial-client-code.html
index 5f77ab8..7a15195 100644
--- a/docs/1.2/remote-object-persistence-tutorial-client-code.html
+++ b/docs/1.2/remote-object-persistence-tutorial-client-code.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -376,6 +376,11 @@ INFO: === Message 7: flush-cascade-sync done - took 155 ms.</PRE>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -385,11 +390,6 @@ INFO: === Message 7: flush-cascade-sync done - took 155 ms.</PRE>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/remote-object-persistence-tutorial-client-project.html b/docs/1.2/remote-object-persistence-tutorial-client-project.html
index ad96320..f8831d2 100644
--- a/docs/1.2/remote-object-persistence-tutorial-client-project.html
+++ b/docs/1.2/remote-object-persistence-tutorial-client-project.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -295,6 +295,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -304,11 +309,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/remote-object-persistence-tutorial-setup.html b/docs/1.2/remote-object-persistence-tutorial-setup.html
index 7f5cb4a..9a99d78 100644
--- a/docs/1.2/remote-object-persistence-tutorial-setup.html
+++ b/docs/1.2/remote-object-persistence-tutorial-setup.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -255,6 +255,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -264,11 +269,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/remote-object-persistence-tutorial-webservice.html b/docs/1.2/remote-object-persistence-tutorial-webservice.html
index e8177f4..147c9dc 100644
--- a/docs/1.2/remote-object-persistence-tutorial-webservice.html
+++ b/docs/1.2/remote-object-persistence-tutorial-webservice.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -326,6 +326,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -335,11 +340,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/reverse-engineer-database.html b/docs/1.2/reverse-engineer-database.html
index c945556..2f4e8c5 100644
--- a/docs/1.2/reverse-engineer-database.html
+++ b/docs/1.2/reverse-engineer-database.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -257,6 +257,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -266,11 +271,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/running-cayennemodeler.html b/docs/1.2/running-cayennemodeler.html
index d633c2e..8129c25 100644
--- a/docs/1.2/running-cayennemodeler.html
+++ b/docs/1.2/running-cayennemodeler.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -285,6 +285,11 @@ java -jar cayenne-modeler.jar</PRE>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -294,11 +299,6 @@ java -jar cayenne-modeler.jar</PRE>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/running-queries.html b/docs/1.2/running-queries.html
index ff0be1f..06306e4 100644
--- a/docs/1.2/running-queries.html
+++ b/docs/1.2/running-queries.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -307,6 +307,11 @@ Runs a named non-selecting query stored in the DataMap, using a map of named par
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -316,11 +321,6 @@ Runs a named non-selecting query stored in the DataMap, using a map of named par
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/runtime-components.html b/docs/1.2/runtime-components.html
index 76adb6f..668ef67 100644
--- a/docs/1.2/runtime-components.html
+++ b/docs/1.2/runtime-components.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -269,6 +269,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -278,11 +283,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/scripting-sqltemplate.html b/docs/1.2/scripting-sqltemplate.html
index 3113e3f..e7aa890 100644
--- a/docs/1.2/scripting-sqltemplate.html
+++ b/docs/1.2/scripting-sqltemplate.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -425,6 +425,11 @@ SQLTemplate select = <SPAN class="code-keyword">new</SPAN> SQLTemplate(Artist.cl
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -434,11 +439,6 @@ SQLTemplate select = <SPAN class="code-keyword">new</SPAN> SQLTemplate(Artist.cl
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/selecting-objects.html b/docs/1.2/selecting-objects.html
index d7f7bcf..ef5333d 100644
--- a/docs/1.2/selecting-objects.html
+++ b/docs/1.2/selecting-objects.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -272,6 +272,11 @@ query.addParam(<SPAN class="code-quote">&quot;parameter2&quot;</SPAN>, <SPAN cla
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -281,11 +286,6 @@ query.addParam(<SPAN class="code-quote">&quot;parameter2&quot;</SPAN>, <SPAN cla
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/selectquery-customization.html b/docs/1.2/selectquery-customization.html
index 5ff9f03..93a4360 100644
--- a/docs/1.2/selectquery-customization.html
+++ b/docs/1.2/selectquery-customization.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -257,6 +257,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -266,11 +271,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/selectquery.html b/docs/1.2/selectquery.html
index 8e467c6..8f6d948 100644
--- a/docs/1.2/selectquery.html
+++ b/docs/1.2/selectquery.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -307,6 +307,11 @@ DataContext ctxt; <SPAN class="code-comment">// assume <SPAN class="code-keyword
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -316,11 +321,6 @@ DataContext ctxt; <SPAN class="code-comment">// assume <SPAN class="code-keyword
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/setting-datamap-defaults.html b/docs/1.2/setting-datamap-defaults.html
index 5e678b5..11abbd8 100644
--- a/docs/1.2/setting-datamap-defaults.html
+++ b/docs/1.2/setting-datamap-defaults.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -269,6 +269,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -278,11 +283,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/sqltemplate-query.html b/docs/1.2/sqltemplate-query.html
index 7d85be0..e64417e 100644
--- a/docs/1.2/sqltemplate-query.html
+++ b/docs/1.2/sqltemplate-query.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -305,6 +305,11 @@ query.setTemplate(PostgresAdapter.class.getName(), pgTemplate);
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -314,11 +319,6 @@ query.setTemplate(PostgresAdapter.class.getName(), pgTemplate);
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/standalone-applications.html b/docs/1.2/standalone-applications.html
index 9d12c60..501e66c 100644
--- a/docs/1.2/standalone-applications.html
+++ b/docs/1.2/standalone-applications.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -276,6 +276,11 @@ DataContext.bindThreadDataContext(context);
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -285,11 +290,6 @@ DataContext.bindThreadDataContext(context);
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/stored-procedures-and-transactions.html b/docs/1.2/stored-procedures-and-transactions.html
index f2bd287..2c36abf 100644
--- a/docs/1.2/stored-procedures-and-transactions.html
+++ b/docs/1.2/stored-procedures-and-transactions.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -244,6 +244,11 @@ There maybe a situations when stored procedures handle their own transactions an
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -253,11 +258,6 @@ There maybe a situations when stored procedures handle their own transactions an
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/stored-procedures.html b/docs/1.2/stored-procedures.html
index d7adabf..442e809 100644
--- a/docs/1.2/stored-procedures.html
+++ b/docs/1.2/stored-procedures.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -243,6 +243,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -252,11 +257,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/swing-applications.html b/docs/1.2/swing-applications.html
index d9a17cd..85b590b 100644
--- a/docs/1.2/swing-applications.html
+++ b/docs/1.2/swing-applications.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -249,6 +249,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -258,11 +263,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/to-dep-pk-checkbox.html b/docs/1.2/to-dep-pk-checkbox.html
index db848ac..84cc149 100644
--- a/docs/1.2/to-dep-pk-checkbox.html
+++ b/docs/1.2/to-dep-pk-checkbox.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -251,6 +251,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -260,11 +265,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/turning-off-context-synchronization.html b/docs/1.2/turning-off-context-synchronization.html
index 05cfe94..6c92583 100644
--- a/docs/1.2/turning-off-context-synchronization.html
+++ b/docs/1.2/turning-off-context-synchronization.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -260,6 +260,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -269,11 +274,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/tutorial-datacontext.html b/docs/1.2/tutorial-datacontext.html
index 9c10f67..be47bfb 100644
--- a/docs/1.2/tutorial-datacontext.html
+++ b/docs/1.2/tutorial-datacontext.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -295,6 +295,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -304,11 +309,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/tutorial-dataobjects.html b/docs/1.2/tutorial-dataobjects.html
index 628388b..44802cd 100644
--- a/docs/1.2/tutorial-dataobjects.html
+++ b/docs/1.2/tutorial-dataobjects.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -360,6 +360,11 @@ INFO  QueryLogger: +++ transaction committed.
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -369,11 +374,6 @@ INFO  QueryLogger: +++ transaction committed.
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/tutorial-delete.html b/docs/1.2/tutorial-delete.html
index 59cb162..bf6cb5c 100644
--- a/docs/1.2/tutorial-delete.html
+++ b/docs/1.2/tutorial-delete.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -296,6 +296,11 @@ INFO  QueryLogger: +++ transaction committed.</PRE>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -305,11 +310,6 @@ INFO  QueryLogger: +++ transaction committed.</PRE>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/tutorial-generate-database-and-java-classes.html b/docs/1.2/tutorial-generate-database-and-java-classes.html
index 3bf0a3f..7296b93 100644
--- a/docs/1.2/tutorial-generate-database-and-java-classes.html
+++ b/docs/1.2/tutorial-generate-database-and-java-classes.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -283,6 +283,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -292,11 +297,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/tutorial-mapping-query.html b/docs/1.2/tutorial-mapping-query.html
index 611581a..7c80d48 100644
--- a/docs/1.2/tutorial-mapping-query.html
+++ b/docs/1.2/tutorial-mapping-query.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -306,6 +306,11 @@ INFO  QueryLogger: === updated 1 row.</PRE>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -315,11 +320,6 @@ INFO  QueryLogger: === updated 1 row.</PRE>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/tutorial-object-relational-mapping.html b/docs/1.2/tutorial-object-relational-mapping.html
index ea05e8b..9cef1a7 100644
--- a/docs/1.2/tutorial-object-relational-mapping.html
+++ b/docs/1.2/tutorial-object-relational-mapping.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -300,6 +300,11 @@ Now you need to synchronize relationships. Artist and Gallery entities were crea
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -309,11 +314,6 @@ Now you need to synchronize relationships. Artist and Gallery entities were crea
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/tutorial-selectquery.html b/docs/1.2/tutorial-selectquery.html
index c742c34..3b085ec 100644
--- a/docs/1.2/tutorial-selectquery.html
+++ b/docs/1.2/tutorial-selectquery.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -303,6 +303,11 @@ INFO  QueryLogger: === returned 2 rows. - took 31 ms.</PRE>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -312,11 +317,6 @@ INFO  QueryLogger: === returned 2 rows. - took 31 ms.</PRE>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/tutorial-setup.html b/docs/1.2/tutorial-setup.html
index ec41b74..b0b1f20 100644
--- a/docs/1.2/tutorial-setup.html
+++ b/docs/1.2/tutorial-setup.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -281,6 +281,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -290,11 +295,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/tutorial-starting-mapping-project.html b/docs/1.2/tutorial-starting-mapping-project.html
index 3b42673..d4f1318 100644
--- a/docs/1.2/tutorial-starting-mapping-project.html
+++ b/docs/1.2/tutorial-starting-mapping-project.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -282,6 +282,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -291,11 +296,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/tutorial-webapp.html b/docs/1.2/tutorial-webapp.html
index e430580..6caebc2 100644
--- a/docs/1.2/tutorial-webapp.html
+++ b/docs/1.2/tutorial-webapp.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -450,6 +450,11 @@ INFO  QueryLogger: +++ transaction committed.</PRE>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -459,11 +464,6 @@ INFO  QueryLogger: +++ transaction committed.</PRE>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/understanding-transactions.html b/docs/1.2/understanding-transactions.html
index 1502189..aa4e7b1 100644
--- a/docs/1.2/understanding-transactions.html
+++ b/docs/1.2/understanding-transactions.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -377,6 +377,11 @@ Transaction tx = domain.createTransaction();
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -386,11 +391,6 @@ Transaction tx = domain.createTransaction();
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/upgrade.html b/docs/1.2/upgrade.html
index 5c0c727..1d01c8e 100644
--- a/docs/1.2/upgrade.html
+++ b/docs/1.2/upgrade.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -344,6 +344,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -353,11 +358,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/user-guide.html b/docs/1.2/user-guide.html
index 9276908..b71866e 100644
--- a/docs/1.2/user-guide.html
+++ b/docs/1.2/user-guide.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -263,6 +263,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -272,11 +277,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/using-jndi.html b/docs/1.2/using-jndi.html
index 5904ca7..a064305 100644
--- a/docs/1.2/using-jndi.html
+++ b/docs/1.2/using-jndi.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -333,6 +333,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -342,11 +347,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/using-orderings.html b/docs/1.2/using-orderings.html
index 6bd8cb5..2babac0 100644
--- a/docs/1.2/using-orderings.html
+++ b/docs/1.2/using-orderings.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -285,6 +285,11 @@ orderings.add(<SPAN class="code-keyword">new</SPAN> Ordering(<SPAN class="code-q
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -294,11 +299,6 @@ orderings.add(<SPAN class="code-keyword">new</SPAN> Ordering(<SPAN class="code-q
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/1.2/web-applications.html b/docs/1.2/web-applications.html
index 02f3e18..8bac78a 100644
--- a/docs/1.2/web-applications.html
+++ b/docs/1.2/web-applications.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 1.2
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -311,6 +311,11 @@ WEB-INF/lib/...</PRE>
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -320,11 +325,6 @@ WEB-INF/lib/...</PRE>
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/2.0/accessing-pk-and-fk-values.html b/docs/2.0/accessing-pk-and-fk-values.html
index cbff210..a8b2d60 100644
--- a/docs/2.0/accessing-pk-and-fk-values.html
+++ b/docs/2.0/accessing-pk-and-fk-values.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 2.0
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -321,6 +321,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -330,11 +335,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/2.0/acknowledgments.html b/docs/2.0/acknowledgments.html
index e40cd49..26cce0a 100644
--- a/docs/2.0/acknowledgments.html
+++ b/docs/2.0/acknowledgments.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 2.0
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -243,6 +243,11 @@ We would like to thank our dedicated team of <A href="http://incubator.apache.or
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -252,11 +257,6 @@ We would like to thank our dedicated team of <A href="http://incubator.apache.or
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/2.0/ant-tasks.html b/docs/2.0/ant-tasks.html
index a939379..026be73 100644
--- a/docs/2.0/ant-tasks.html
+++ b/docs/2.0/ant-tasks.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 2.0
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -274,6 +274,11 @@
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -283,11 +288,6 @@
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/2.0/bnf-for-expressionparser.html b/docs/2.0/bnf-for-expressionparser.html
index 98527dc..f453985 100644
--- a/docs/2.0/bnf-for-expressionparser.html
+++ b/docs/2.0/bnf-for-expressionparser.html
@@ -95,7 +95,7 @@
                                 Cayenne Version 2.0
                             </a>
                             <div class="dropdown-menu">
-                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Alpha)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" hre [...]
+                                <a class="dropdown-item" href="/docs/4.0/getting-started-guide/">Version 4.0 (Stable)</a><a class="dropdown-item" href="/docs/4.1/getting-started-guide/">Version 4.1 (Beta)</a><a class="dropdown-item" href="/docs/3.1/getting-started-guide/">Version 3.1 (Aging)</a><a class="dropdown-item" href="/docs/3.0/cayenne-guide.html">Version 3.0 (Legacy)</a><a class="dropdown-item" href="/docs/2.0/user-guide.html">Version 2.0 (Legacy)</a><a class="dropdown-item" href [...]
                             </div>
                         </li>
                     </ul>
@@ -275,6 +275,11 @@ pathExpression 	::= 	( &lt;PROPERTY_PATH&gt; | &quot;obj:&quot; &lt;PROPERTY_PAT
                 <ul class="list-multiline-items list-unstyled  mb-0">
                     
                     <li>
+                        <time datetime="2019-03-18 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Mar 18, 2019</time>
+                        <a href="/2019/03/cayenne-41b1-released.html">Cayenne 4.1 Beta 2 Released</a>
+                    </li>
+                    
+                    <li>
                         <time datetime="2018-12-28 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Dec 28, 2018</time>
                         <a href="/2018/12/cayenne-401-released/">Cayenne 4.0.1 Released</a>
                     </li>
@@ -284,11 +289,6 @@ pathExpression 	::= 	( &lt;PROPERTY_PATH&gt; | &quot;obj:&quot; &lt;PROPERTY_PAT
                         <a href="/2018/08/cayenne-40-final-released/">Cayenne 4.0 Final Released</a>
                     </li>
                     
-                    <li>
-                        <time datetime="2018-07-23 12:00:00 &#43;0300 &#43;03" class="xsmall d-block">Jul 23, 2018</time>
-                        <a href="/2018/07/cayenne-41m2-released.html">Cayenne 4.1 Milestone 2 Released</a>
-                    </li>
-                    
                 </ul>
                 <a class="btn-link text-uppercase xsmall" href="https://cayenne.apache.org/news">
                     More news
diff --git a/docs/2.0/building-expressions.html b/docs/2.0/building-expressions.html
index 5fc0cba..79b8831 100644
--- a/docs/2.0/building-expressions.html
+++ b/docs/2.0/building-expressions.html
... 948567 lines suppressed ...


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