Rust Blog

After nearly 4 years of active development, the next-generation trait solver is close to stabilization. We are enabling it by default on nightly to surface any remaining issues and plan to stabilize it in the next months. This is the largest single change to th...

On 2026-08-20 at 7:15 UTC we got a report that the proc-macro1 crate was malicious.

The Rust Security Response Team verified this to be the case: the crate had a build script that was downloading a malicious payload.

This crate proc-macro1 and others like it (proc-macro-en, a...

TL;DR We are enabling the next iteration of the borrow checker (coined Polonius Alpha) on nightly in preparation for stabilization in the next few months.

Yes! You heard it right! The next iteration of the Rust borrow checker is coming! Rust's first borrow checker ("AST borrowck") was very...