Confluence 3.5 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Confluence 3.5 reached end of life on 6 Sept 2013. It no longer receives security fixes.
Support timeline
Official dates from the Confluence release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 15 Mar 2011 | 15y 7mo ago |
| Support ended | 6 Sept 2013 | 13y 1mo ago |
| Latest release | 3.5.17 · 25 Jun 2012 | final |
Where to go from 3.5
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 3.5 still safe to use?
Confluence 3.5 reached end of life on 6 Sept 2013, 4,777 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Confluence 3.5?
Yes — the final release (3.5.17) 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 3.5 to?
Upgrade to Confluence 10.2, the newest actively supported branch (supported until 2 Dec 2027).