- Add numerous language and library features: inline const {} expressions, associated type bounds, redundant lifetimes and unnameable‑type lints, FromIterator for (Default+Extend) tuples, const‑fn APIs for core/std types, and new tier‑2/3 ...
- Enhance compiler and Cargo tooling: C‑strip now only affects binaries, Crelro level stabilization, compile‑time cfg checking, lib.name dash normalization, MSRV‑aware version selection in `cargo add`, and default use of gitoxide for file ...
- Improve Rustdoc UI (always show stability version, refined search) and update compatibility: require LLVM 17, soft‑destabilize RustcEncodable/Decodable, add wasm C‑ABI lint, and other deprecations.
Rust 1.79.0
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Language: allow shortening lifetimes of &mut during unsize coercions and introduce new lints for invalid runtime symbols and c void return types.