Mandrel 20.3 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Mandrel 20.3 reached end of life on 19 Oct 2021. It no longer receives security fixes.
1,755 days without security patches
Recommended action: upgrade to Mandrel 25.0. Support timeline
Official dates from the Mandrel release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 8 Jan 2021 | — |
| End of life | 19 Oct 2021 | 4.8 years ago |
| Latest release | 20.3.3.0 · 21 Jul 2021 | final |
Where to go from 20.3
Recommended target: Mandrel 25.0.
The newest actively supported branch is Mandrel 25.0 (latest release 25.0.4.0).
Frequently asked questions
Is Mandrel 20.3 still safe to use?
Mandrel 20.3 reached end of life on 19 Oct 2021, 1,755 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Mandrel 20.3?
Yes — the final release (20.3.3.0) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Mandrel 20.3 to?
Upgrade to Mandrel 25.0, the newest actively supported branch.