postmarketOS 21.06 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
postmarketOS 21.06 reached end of life on 29 Jan 2022. It no longer receives security fixes.
1,653 days without security patches
Recommended action: upgrade to postmarketOS 25.12. Check your versioncat /etc/os-release
Support timeline
Official dates from the postmarketOS release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 4 Jul 2021 | — |
| End of life | 29 Jan 2022 | 4.5 years ago |
| Latest release | — | final |
Where to go from 21.06
Recommended target: postmarketOS 25.12.
The newest actively supported branch is postmarketOS 25.12 (latest release ).
Frequently asked questions
Is postmarketOS 21.06 still safe to use?
postmarketOS 21.06 reached end of life on 29 Jan 2022, 1,653 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download postmarketOS 21.06?
Yes — the final release (21.06) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade postmarketOS 21.06 to?
Upgrade to postmarketOS 25.12, the newest actively supported branch.