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 26/08/2026.
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.
| Cycle | Latest version | End of support | Status |
|---|---|---|---|
| 10 | 10.0.0 | no date on record | supported |
| 9 | 9.10.1 | no date on record | supported |
| 8 | 8.11.4 | 671 days ago | End of Life |
| 7 | 7.7.3 | 1569 days ago | End of Life |
| 6 | 6.6.6 | 2724 days ago | End of Life |
| 5 | 5.5.5 | 3229 days ago | End of Life |
| 4 | 4.10.4 | no date on record | End of Life |
| 3 | 3.6.2 | no date on record | End of Life |
| 1 | 1.4.1 | no date on record | End 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 26/08/2026. In case of doubt the vendor's own lifecycle page applies — patchletter deliberately stores no vendor full texts.
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