end-of-life.org

Rust 1.56 End of Life

Support dates and upgrade guidance — rebuilt from live data.

End of Life

Rust 1.56 reached end of life on 3 Dec 2021. It no longer receives security fixes.

1,710 days without security patches
Recommended action: upgrade to Rust 1.97.
Check your versionrustc --version

Support timeline

Official dates from the Rust release process.

MilestoneDateStatus
Initial release21 Oct 2021
End of life 3 Dec 2021 4.7 years ago
Latest release1.56.1 · 1 Nov 2021 final

Where to go from 1.56

Recommended target: Rust 1.97.

The newest actively supported branch is Rust 1.97 (latest release 1.97.1).

Frequently asked questions

Is Rust 1.56 still safe to use?

Rust 1.56 reached end of life on 3 Dec 2021, 1,710 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.

Can I still download Rust 1.56?

Yes — the final release (1.56.1) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.

What should I upgrade Rust 1.56 to?

Upgrade to Rust 1.97, the newest actively supported branch.

All Rust versions