Starting from this release of rustup (1.23.0) you can also install a minor version without specifying the patch version, like 1.48 or 1.45. With rustup 1.22.1 or earlier if you wanted to use a stable release you were able to either install stable (which automatically updates to the latest one) or a specific version number, such as 1.48.0, 1.45.0 or 1.45.2.

For example, 1.45.1 and 1.45.2 were point releases of Rust 1.45.0, while 1.46.0 and 1.47.0 both had no point releases. Sometimes a regression slips into a stable release, and the team releases a 'point release' containing fixes for that regression. The Rust team releases a new version every six weeks, bringing new features and bugfixes on a regular basis.

You can follow issue #73908 to track the work needed to bring Apple Silicon support to Tier 1. Note that at the time of writing this blog post the aarch64-apple-darwin compiler is at Tier 2 target: precompiled binaries are available starting from Rust 1.49 (currently in the beta channel), but no automated tests are executed on them. Rustup is now natively available for the new Apple M1 devices, allowing you to install it on the new Macs the same way you'd install it on other platforms! What's new in rustup 1.23.0 Support for Apple M1 devices

If you don't have it already, you can get rustup from the appropriate page on our website. Rustup will also automatically update itself at the end of a normal toolchain update: rustup update If you have a previous version of rustup installed, getting rustup 1.23.0 is as easy as closing your IDE and running: rustup self update Rustup is the recommended tool to install Rust, a programming language that is empowering everyone to build reliable and efficient software. The rustup working group is happy to announce the release of rustup version 1.23.0.

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