Confluence 5.1 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Confluence 5.1 reached end of life on 5 Aug 2015. It no longer receives security fixes.
Support timeline
Official dates from the Confluence release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 24 Mar 2013 | 13y 6mo ago |
| Support ended | 5 Aug 2015 | 11y 2mo ago |
| Latest release | 5.1.5 · 3 Aug 2013 | final |
Where to go from 5.1
Recommended target: Confluence 10.2 (supported until 2 Dec 2027).
The newest actively supported branch is Confluence 10.2 (latest release 10.2.18).
Frequently asked questions
Is Confluence 5.1 still safe to use?
Confluence 5.1 reached end of life on 5 Aug 2015, 4,079 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Confluence 5.1?
Yes — the final release (5.1.5) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Confluence 5.1 to?
Upgrade to Confluence 10.2, the newest actively supported branch (supported until 2 Dec 2027).