Freedesktop SDK 21.08 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Freedesktop SDK 21.08 reached end of life on 4 Sept 2023. It no longer receives security fixes.
Support timeline
Official dates from the Freedesktop SDK release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 4 Sept 2021 | — |
| End of life | 4 Sept 2023 | 2.9 years ago |
| Latest release | 21.08.22 · 2 Oct 2023 | final |
Where to go from 21.08
Recommended target: Freedesktop SDK 25.08 (supported until 1 Sept 2027).
The newest actively supported branch is Freedesktop SDK 25.08 (latest release 25.08.15).
Frequently asked questions
Is Freedesktop SDK 21.08 still safe to use?
Freedesktop SDK 21.08 reached end of life on 4 Sept 2023, 1,070 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Freedesktop SDK 21.08?
Yes — the final release (21.08.22) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Freedesktop SDK 21.08 to?
Upgrade to Freedesktop SDK 25.08, the newest actively supported branch (supported until 1 Sept 2027).