Rust 1.26.1 prerelease testing

Rust 1.26.1 will be released on Tuesday, May 29th and builds are available now for testing. Release artifacts are uploaded to dev ( currently and will be promoted to prod ( on Tuesday. The URL is,

You can test rustup with

RUSTUP_DIST_SERVER= rustup update stable

Please let us know if you run into any issues! Pending any detected regressions these are likely to be the exact artifacts that we’ll release on Tuesday.

You can find the release notes on GitHub as well:


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