Confluence 5.3 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Confluence 5.3 reached end of life on 20 Nov 2015. It no longer receives security fixes.
Support timeline
Official dates from the Confluence release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 26 Sept 2013 | 13y ago |
| Support ended | 20 Nov 2015 | 10y 10mo ago |
| Latest release | 5.3.4 · 15 Nov 2013 | final |
Where to go from 5.3
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 5.3 still safe to use?
Confluence 5.3 reached end of life on 20 Nov 2015, 3,972 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Confluence 5.3?
Yes — the final release (5.3.4) 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 5.3 to?
Upgrade to Confluence 10.2, the newest actively supported branch (supported until 2 Dec 2027).