end-of-life.org

Rust 1.99 End of Life

Support dates and upgrade guidance — rebuilt from live data.

Supported

Rust 1.99 is actively supported. The vendor has not published an end-of-support date for this branch.

1.99.0 latest release
Check your versionrustc --version

Support timeline

Official dates from the Rust release process.

MilestoneDateStatus
Initial release1 Oct 2026 this month
Latest release1.99.0 · 1 Oct 2026 current

Frequently asked questions

When does Rust 1.99 reach end of life?

No end of life date has been announced for Rust 1.99 yet.

Is Rust 1.99 still supported?

Yes. Rust 1.99 is currently maintained. Latest release: 1.99.0, published 1 Oct 2026.

What happens when Rust 1.99 reaches end of life?

Security fixes stop. After — this branch receives no further updates under standard support.

How long do I have to upgrade from Rust 1.99?

No end of life date has been announced yet.

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