Redmine 4.0 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Redmine 4.0 reached end of life on 26 Apr 2021. It no longer receives security fixes.
1,931 days without security patches
Recommended action: upgrade to Redmine 7.0. Support timeline
Official dates from the Redmine release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 9 Dec 2018 | — |
| End of life | 26 Apr 2021 | 5.3 years ago |
| Latest release | 4.0.9 · 26 Apr 2021 | final |
Where to go from 4.0
Recommended target: Redmine 7.0.
The newest actively supported branch is Redmine 7.0 (latest release 7.0.0).
Frequently asked questions
Is Redmine 4.0 still safe to use?
Redmine 4.0 reached end of life on 26 Apr 2021, 1,931 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Redmine 4.0?
Yes — the final release (4.0.9) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Redmine 4.0 to?
Upgrade to Redmine 7.0, the newest actively supported branch.