end-of-life.org

nix 2.1 End of Life

Support dates and upgrade guidance — rebuilt from live data.

End of Life

nix 2.1 reached end of life on 11 Jan 2019. It no longer receives security fixes.

2,767 days without security patches
Recommended action: upgrade to nix 2.35.
Check your versionnix --version

Support timeline

Official dates from the nix release process.

MilestoneDateStatus
Initial release3 Sept 2018
End of life 11 Jan 2019 7.6 years ago
Latest release2.1.3 · 2 Oct 2018 final

Where to go from 2.1

Recommended target: nix 2.35.

The newest actively supported branch is nix 2.35 (latest release 2.35.1).

Frequently asked questions

Is nix 2.1 still safe to use?

nix 2.1 reached end of life on 11 Jan 2019, 2,767 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.

Can I still download nix 2.1?

Yes — the final release (2.1.3) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.

What should I upgrade nix 2.1 to?

Upgrade to nix 2.35, the newest actively supported branch.

All nix versions