Discourse 3.5 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Discourse 3.5 reached end of life on 28 Jan 2026. It no longer receives security fixes.
Support timeline
Official dates from the Discourse release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 19 Aug 2025 | — |
| End of life | 28 Jan 2026 | 0.5 years ago |
| Latest release | 3.5.4 · 28 Jan 2026 | final |
Where to go from 3.5
Recommended target: Discourse 2026.7 (supported until 30 Mar 2027).
The newest actively supported branch is Discourse 2026.7 (latest release 2026.7.1).
Frequently asked questions
Is Discourse 3.5 still safe to use?
Discourse 3.5 reached end of life on 28 Jan 2026, 193 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Discourse 3.5?
Yes — the final release (3.5.4) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Discourse 3.5 to?
Upgrade to Discourse 2026.7, the newest actively supported branch (supported until 30 Mar 2027).