Amazon OpenSearch 1.1 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Amazon OpenSearch 1.1 reached end of life on 7 Nov 2025. Standard support is over — security updates now require extended support, which runs to 7 Nov 2026.
Support timeline
Official dates from the Amazon OpenSearch release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 4 Jan 2022 | — |
| End of life | 7 Nov 2025 | 0.8 years ago |
| Extended support ends | 7 Nov 2026 | 90 days left |
| Latest release | — | final |
Where to go from 1.1
Recommended target: Amazon OpenSearch 3.5.
The newest actively supported branch is Amazon OpenSearch 3.5 (latest release ).
Frequently asked questions
Is Amazon OpenSearch 1.1 still safe to use?
Amazon OpenSearch 1.1 left standard support on 7 Nov 2025. It still receives security updates under extended support until 7 Nov 2026 — 90 days from now — but only if you are enrolled. Without it, no fixes reach you.
Can I still download Amazon OpenSearch 1.1?
Yes — the final release (1.1) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Amazon OpenSearch 1.1 to?
Upgrade to Amazon OpenSearch 3.5, the newest actively supported branch.