- Added several language enhancements: type parameters on foreign trait impls, nested self receivers, unrestricted identifier usage in format args, visibility modifiers on trait items/enums, extern "C" functions with Box<T>, loop‑label war...
- Expanded library APIs and platform support: core::panic stabilized, new From impls for NonZero types, MaybeUninit<T> now implements Debug, Result::map_or and Weak count methods added; tier‑3 support for riscv64gc‑linux added and i686‑dra...
- Cargo and rustdoc improvements: private items documented by default, cargo install now reinstalls out‑of‑date packages, a more merge‑friendly Cargo.lock format, per‑dependency build‑setting overrides, edition specification in documentati...
Rust 1.41.0
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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.