authentik 2021.12 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
authentik 2021.12 reached end of life on 16 Feb 2022. It no longer receives security fixes.
1,635 days without security patches
Recommended action: upgrade to authentik 2026.5. Support timeline
Official dates from the authentik release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 16 Dec 2021 | — |
| End of life | 16 Feb 2022 | 4.5 years ago |
| Latest release | 2021.12.5 · 6 Jan 2022 | final |
Where to go from 2021.12
Recommended target: authentik 2026.5.
The newest actively supported branch is authentik 2026.5 (latest release 2026.5.6).
Frequently asked questions
Is authentik 2021.12 still safe to use?
authentik 2021.12 reached end of life on 16 Feb 2022, 1,635 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download authentik 2021.12?
Yes — the final release (2021.12.5) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade authentik 2021.12 to?
Upgrade to authentik 2026.5, the newest actively supported branch.