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From Nicholas Knize <nkn...@apache.org>
Subject [ANNOUNCE] Apache Solr 6.0.0 released
Date Fri, 08 Apr 2016 18:50:43 GMT
8 April 2016, Apache Solr 6.0.0 available

Solr is the popular, blazing fast, open source NoSQL search platform
from the Apache Lucene project. Its major features include powerful
full-text search, hit highlighting, faceted search, dynamic
clustering, database integration, rich document (e.g., Word, PDF)
handling, and geospatial search.  Solr is highly scalable, providing
fault tolerant distributed search and indexing, and powers the search
and navigation features of many of the world's largest internet sites.

Solr 6.0.0 is available for immediate download at:
  http://lucene.apache.org/solr/mirrors-solr-latest-redir.html

Please read CHANGES.txt for a full list of new features and changes:
  https://lucene.apache.org/solr/6_0_0/changes/Changes.html

Solr 6.0 Release Highlights:

  * Improved defaults for "Similarity" used in Solr, in order to provide
better default experience for new users.

  * Improved "Similarity" defaults for users upgrading:
DefaultSimilarityFactory has been removed, implicit default Similarity has
been changed to SchemaSimilarityFactory, and SchemaSimilarityFactory has
been modified to use BM25Similarity as the default for field types that do
not explicitly declare a Similarity.

  * Deprecated GET methods for schema are now accessible through the bulk
API. The output has less details and is not backward compatible.

  * Users should set useDocValuesAsStored="false" to preserve sort order on
multi-valued fields that have both stored="true" and docValues="true".

  * Formatted date-times are more consistent with ISO-8601. BC dates are
now better supported since they are now formatted with a leading '-'. AD
years after 9999 have a leading '+'. Parse exceptions have been improved.

  * Deprecated SolrServer and subclasses have been removed, use SolrClient
instead.

  * The deprecated <nrtMode> configuration in solrconfig.xml has been
removed. Users must remove it from solrconfig.xml.

  * SolrClient.shutdown() has been removed, use SolrClient.close() instead.

  * The deprecated zkCredientialsProvider element in solrcloud section of
solr.xml is now removed. Use the correct spelling (zkCredentialsProvider)
instead.

  * Added support for executing Parallel SQL queries across SolrCloud
collections. Includes StreamExpression support and a new JDBC Driver for
the SQL Interface.

  * New features and capabilities added to the streaming API.

  * Added support for SELECT DISTINCT queries to the SQL interface.

  * New GraphQuery to enable graph traversal as a query operator.

  * New support for Cross Data Center Replication consisting of
active/passive replication for separate SolrClouds hosted in separate data
centers.

  * Filter support added to Real-time get.

  * Column alias support added to the Parallel SQL Interface.

  * New command added to switch between non/secure mode in zookeeper.

  * Now possible to use IP fragments in replica placement rules.

Further details of changes are available in the change log available at:
http://lucene.apache.org/solr/6_0_0/changes/Changes.html

Please report any feedback to the mailing lists (
http://lucene.apache.org/solr/discussion.html)

Note: The Apache Software Foundation uses an extensive mirroring network
for distributing releases. It is possible that the mirror you are using may
not have replicated the release yet. If that is the case, please try
another mirror. This also applies to Maven access.

Nick Knize

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