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From Jan Høydahl (JIRA) <>
Subject [jira] [Commented] (LUCENE-6722) Java 8 as the minimum supported JVM version for branch_5x
Date Thu, 06 Aug 2015 22:51:07 GMT


Jan Høydahl commented on LUCENE-6722:

+1 to Uwe's comments

Let 5.x stay Java7. No end user benefit in requiring Java8!

As it stands now there are only 12 -- twelve -- changes that are Trunk-only, and none of those
are major features (many are deprecations). Probably because devs (or their boss?) prioritize
getting every single commit backported to 5.x right away. Perhaps our software would be more
healthy if we allow more changes to go in Trunk only; then the benefits to releasing the next
major version would be obvious, and we would not need to go searching for justifications of
releasing a major version in lack of real end-user benefits :-) Java8 only is not enough reason
for users to upgrade since 5.x runs well in Java8.

One candidate could have been the whole Auth/Autz support for Solr, but that is too late now

So let's cut the 6.0.0 release once someone can argue there is enough major new stuff in Trunk-only
that brings real end user benefit (for either Lucene or Solr users).

> Java 8 as the minimum supported JVM version for branch_5x
> ---------------------------------------------------------
>                 Key: LUCENE-6722
>                 URL:
>             Project: Lucene - Core
>          Issue Type: Wish
>            Reporter: Shalin Shekhar Mangar
>            Priority: Blocker
>             Fix For: 5.4
> Require Java 8 as the minimum supported JVM version for branch_5x.
> # Java 7 is already EOL'ed
> # Trunk is already at Java8
> # Important Solr components such as Jetty 9.3.x already require Java 8
> # Nashorn Javascript engine available in Java 8 is just so much faster and we may see
more usage of JS inside Solr (SOLR-7576 etc.)

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