NixOS 17.03 End of Life
Support dates and upgrade guidance — rebuilt from live data.
NixOS 17.03 reached end of life on 30 Oct 2017. It no longer receives security fixes.
Support timeline
Official dates from the NixOS release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 31 Mar 2017 | — |
| End of life | 30 Oct 2017 | 8.8 years ago |
| Latest release | — | final |
Where to go from 17.03
Recommended target: NixOS 26.05 (supported until 31 Dec 2026).
The newest actively supported branch is NixOS 26.05 (latest release ).
Frequently asked questions
Is NixOS 17.03 still safe to use?
NixOS 17.03 reached end of life on 30 Oct 2017, 3,205 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download NixOS 17.03?
Yes — the final release (17.03) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade NixOS 17.03 to?
Upgrade to NixOS 26.05, the newest actively supported branch (supported until 31 Dec 2026).