When is Rust 1.99 end of life?

No end-of-life date has been announced for Rust 1.99 yet. This page updates automatically when one is.

What is the latest version of Rust 1.99?

The latest Rust 1.99 release is 1.99.0, released on Oct 1, 2026.

Rust 1.99 was released on Oct 1, 2026.

Run rustc --version, then paste the result into the “Am I up to date?” box on this page.

Supported

1.99.0 Release notes ↗

Yes

Rust 1.99 is supported, and no end-of-life date has been announced yet.

rustup update stable
rustc --version

Official upgrade guide ↗ Back up first, and test on a non-production machine when you move to a new branch.

Is Rust 1.99 still supported?: Yes. Rust 1.99 is supported, and no end-of-life date has been announced yet.
When is Rust 1.99 end of life?: No end-of-life date has been announced for Rust 1.99 yet. This page updates automatically when one is.
What is the latest version of Rust 1.99?: The latest Rust 1.99 release is 1.99.0, released on Oct 1, 2026.
When was Rust 1.99 released?: Rust 1.99 was released on Oct 1, 2026.
How do I check which Rust version I have?: Run rustc --version, then paste the result into the “Am I up to date?” box on this page.

Compare: 1.98 vs 1.99

The history fills in as new versions come out.

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