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https://issues.apache.org/jira/browse/LUCENE-5944?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14139242#comment-14139242
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Robert Muir commented on LUCENE-5944:
-------------------------------------
I'm not proposing to release anything anytime soon.
I just want to branch and work on a 5.x branch (for maybe months out,
whatever), that does not have the crazy 3.x backwards compatibility, only
requires java 7 (but maybe some breaking changes like NIO.2), and so on.
Meanwhile trunk can be java 8 and have all that fun, but we can't sit here and
lie to ourselves that we can continue to issue 4.x minor releases: we cannot
support the index backwards compatibility. Every single recent 4.x release has
serious corruption issues due to 3.x support: I am seeing these on a near daily
basis. with the most recent release, lucene is even corrupting 4.x indexes
because of the complexity of 3.x support. its not just a finite set of bugs for
us to fix, its just too much complexity.
And we shouldn't make 5.0 require java 8... but at the same time developers who
want to use java 8 features can have trunk to do that.
> move trunk to 6.x, create branch_5x
> -----------------------------------
>
> Key: LUCENE-5944
> URL: https://issues.apache.org/jira/browse/LUCENE-5944
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Robert Muir
> Fix For: 5.0
>
>
> In order to actually add real features (as opposed to just spending 24/7
> fixing bugs and back compat), I need a trunk that doesn't have the back
> compat handcuffs.
> In the meantime, we should rename the current trunk (which is totally tied
> down in back compat already, without even a single release!) to branch_5x
> while you guys (i wont be doing any back compat anymore) figure out what you
> want to do with the back compat policly.
> Here is the proposal what to do in this issue:
> [http://mail-archives.apache.org/mod_mbox/lucene-dev/201409.mbox/%3CCAOdYfZUpAbYp-omdw=ngjsdzbkvhn2zydobzvj1gdxk+lrt...@mail.gmail.com%3E]
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