- Added many stable APIs (e.g., array::from, TryReserve variants, const‑compatible intrinsics, new I/O handle types, thread::scope) and extended const‑eval support.
- Language changes include removal of migrate borrowck mode, stricter attribute checking that may cause errors, and promotion of several warnings to deny by default.
- Platform updates add Apple WatchOS, Windows application manifest, and Nintendo 3DS support, plus stabilization of the bundle native library modifier.
Rust 1.63.0
Official Rust changelog summary with source attribution, release tags, and community reactions.
Track this Rust release note alongside related changelog updates, risky changes, and weekly digest signals from the developer community.
Verify the original release note
Every summary should remain traceable to the original changelog or release source.
Follow this in context
Turn this Rust release note into a weekly digest for the tools you actually use.
Create digestMore Rust changelog updates
Language: allow shortening lifetimes of &mut during unsize coercions and introduce new lints for invalid runtime symbols and c void return types.