- Stabilized the `?` operator, macros in type position, and statement attributes, expanding core language features.
- Added extensive library and compiler improvements such as refined error messages, optimized metadata format, HIR caching, and inline‑function instantiation to boost compile‑time performance.
- Updated Cargo and rustdoc tooling, included security patches for curl and OpenSSL, deprecated SipHasher in favor of DefaultHasher, and added new target support (s390x, mips‑uclibc, Haiku).
Rust 1.13.0
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.