Apache Solr is an open-source search engine written in Java.

Release Released Security Support Latest
9 2 years ago
(11 May 2022)
Yes 9.4.0
(14 Oct 2023)
8 5 years ago
(13 Mar 2019)
Yes 8.11.2
(17 Jun 2022)

The previous major version will get occasional critical security fixes. Versions older than that are considered EOL.

No releases are scheduled in advance.

More information is available on the Apache Solr website.

You should be running one of the supported release numbers listed above in the rightmost column.


You can submit an improvement to this page on GitHub :octocat: . This page has a corresponding Talk Page.

A JSON version of this page is available at /api/solr.json. See the API Documentation for more information. You can subscribe to the iCalendar feed at /calendar/solr.ics.