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Radar · Rust · Archive · Week 29 · Jul 13 – 19, 2026

Inside Rust: Rustup 1.29.1 beta: call for testing!

Worth knowingtooling

What changed
The Rust team announced a call for testing of rustup 1.29.1 beta.
Production impact
The source does not say.
Try it
Participate in testing by running rustup self update.
Source
blog.rust-lang.org/inside-rust/2026/07/14/rustup-1.29.1-beta-cft/

Understand it, then run it

Rustup 1.29.1 beta introduces a few new features. It can now check for updates in parallel when you run rustup update. When you add several components at once, they are installed concurrently. Some older ways of installing the active toolchain are now deprecated and will warn you.

Written by gpt-oss-20b from the linked source · claims checked against the sources · archive, not individually reviewed