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From Shawn Heisey <>
Subject Re: The state of Solr 5. Is it in maintenance mode only?
Date Mon, 28 Nov 2016 12:59:39 GMT
On 11/28/2016 4:29 AM, Jaroslaw Rozanski wrote:
> Recently I have noticed that couple of Solr issues have been
> resolved/added only for Solr 4.x and Solr 6.x branch. For example
> Has Solr 5.x branch
> been moved to maintenance mode only? The 5 wasn't around for long
> before 6 came about so I appreciate its adoption might not be vast.

The 5.0 version was announced in March 2015.  The 6.0 version was
announced in April 2016.  Looks like 4.x was current for a little less
than three years (July 2012 for 4.0).  5.x had one year, which I
wouldn't call really call a short time.

Since the release of 6.0, 4.x is dead and 5.x is in maintenance mode. 
Maintenance mode means that only particularly nasty bugs are fixed and
only extremely trivial features are added.  The latter is usually only
done if the lack of the feature can be considered a bug.  There is never
any guarantee that a new 5.x release will be made, but if that happens,
it will be a 5.5.x release.  The likelihood of seeing a 5.6 release is
VERY low.

SOLR-2242 is a duplicate of SOLR-6348.  It probably had 4.9 in the fixed
version field because that's what was already in it when it was resolved
as a duplicate.  It's a very old issue that's been around since the 3.x
days.  No changes were committed for SOLR-2242.  The changes for
SOLR-6348 were committed to 5.2 and 6.0.  I have updated the fix
versions in the older issue to match.  The versions should probably all
be removed, but I am not sure what our general rule is for duplicates.


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