OpenSearch 3 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
OpenSearch 3 is actively supported. The vendor has not published an end-of-support date for this branch.
3.9.0 latest release
Check your version# Preferred method
Support timeline
Official dates from the OpenSearch release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 6 May 2025 | 1y 5mo ago |
| Latest release | 3.9.0 · 29 Sept 2026 | current |
Frequently asked questions
When does OpenSearch 3 reach end of life?
No end of life date has been announced for OpenSearch 3 yet.
Is OpenSearch 3 still supported?
Yes. OpenSearch 3 is currently maintained. Latest release: 3.9.0, published 29 Sept 2026.
What happens when OpenSearch 3 reaches end of life?
Security fixes stop. After — this branch receives no further updates under standard support.
How long do I have to upgrade from OpenSearch 3?
No end of life date has been announced yet.