end-of-life.org

Flux 2.5 End of Life

Support dates and upgrade guidance — rebuilt from live data.

End of Life

Flux 2.5 reached end of life on 24 Feb 2026. It no longer receives security fixes.

166 days without security patches
Recommended action: upgrade to Flux 2.9.
Check your versionflux version

Support timeline

Official dates from the Flux release process.

MilestoneDateStatus
Initial release20 Feb 2025
End of life 24 Feb 2026 0.5 years ago
Latest release2.5.1 · 25 Feb 2025 final

Where to go from 2.5

Recommended target: Flux 2.9.

The newest actively supported branch is Flux 2.9 (latest release 2.9.4).

Frequently asked questions

Is Flux 2.5 still safe to use?

Flux 2.5 reached end of life on 24 Feb 2026, 166 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.

Can I still download Flux 2.5?

Yes — the final release (2.5.1) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.

What should I upgrade Flux 2.5 to?

Upgrade to Flux 2.9, the newest actively supported branch.

All Flux versions