Apache Solr end of life: end of support by version

Apache · Servers & Databases

For Apache Solr by Apache, patchletter knows 9 support cycles. 7 of them have already ended and receive no more security updates. The current version of Apache Solr is 10.0.0. The cycles come from the open endoflife.date project, last reconciled on 30/09/2026.

When does support end for which Apache Solr version?

A cycle is a maintained version line. Where a date is given, support ends on that day — after it the vendor ships no more security updates for that line.

CycleLatest versionEnd of supportStatus
1010.0.0no date on recordsupported
99.11.0no date on recordsupported
88.11.4716 days agoEnd of Life
77.7.31614 days agoEnd of Life
66.6.62769 days agoEnd of Life
55.5.53274 days agoEnd of Life
44.10.4no date on recordEnd of Life
33.6.2no date on recordEnd of Life
11.4.1no date on recordEnd of Life

Which Apache Solr versions no longer receive security updates?

7 of 9 cycles have ended. If you run one of those lines, the vendor ships you no more patches — not even for critical flaws.

  • Apache Solr 88.11.4
  • Apache Solr 77.7.3
  • Apache Solr 66.6.6
  • Apache Solr 55.5.5
  • Apache Solr 44.10.4no date on record
  • Apache Solr 33.6.2no date on record
  • Apache Solr 11.4.1no date on record

Where does the EOL data for Apache Solr come from?

From the open endoflife.date project, which collects vendors' official support commitments. patchletter reconciles the cycles daily; the Apache Solr data is as of 30/09/2026. In case of doubt the vendor's own lifecycle page applies — patchletter deliberately stores no vendor full texts.

New Apache Solr versions by email

Tick the product and patchletter reports new releases by email. The update email costs nothing, and one click stops it again. The warning 90, 30 and 7 days before support ends is part of patchletter Pro.