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Solr 6 vs 4
Version Support Lifecycle Comparison
vs
Version 6
6
End of Life
Release Date2016-04-07
Support Ends-
EOL Date2019-03-13
Days LeftExpired 2547 days ago
Latest Version6.6.6
Version 4
4
Active
Release Date2012-10-11
Support Ends-
EOL DateTBD
Latest Version4.10.4
💡 Upgrade Recommendation
We recommend upgrading from 6 to 4. 4 has a longer support lifecycle.
About Version Comparison
This page compares Solr versions 6 and 4. Learn about each version's release date, support end date, and EOL (End of Life) date to make informed upgrade decisions.