OpenSearch end of life: end of support by version
OpenSearch Project · Servers & Databases
For OpenSearch by OpenSearch Project, patchletter knows 3 support cycles. One of them has already ended and receives no more security updates. The current version of OpenSearch is 3.9.0. The cycles come from the open endoflife.date project, last reconciled on 07/11/2026.
When does support end for which OpenSearch 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 |
|---|---|---|---|
| 3 | 3.9.0 | no date on record | supported |
| 2 | 2.19.7 | no date on record | supported |
| 1 | 1.3.20 | 551 days ago | End of Life |
Which OpenSearch versions no longer receive security updates?
1 of 3 cycles have ended. If you run one of those lines, the vendor ships you no more patches, not even for critical flaws.
- OpenSearch 11.3.20
Where does the EOL data for OpenSearch come from?
From the open endoflife.date project, which collects vendors' official support commitments. patchletter reconciles the cycles daily; the OpenSearch data is as of 07/11/2026. In case of doubt the vendor's own lifecycle page applies. patchletter deliberately stores no vendor full texts.
New OpenSearch 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.