- Added numerous language features such as cfg(target_vendor) attribute, exhaustive integer patterns, multiple patterns in if let/while let (including irrefutable forms with warnings), expanded const function capabilities, packed alignment...
- Extended compiler options with a linker‑flavor flag, bumped the minimum LLVM version to 6.0, and added support for new platforms (PowerPC64 on FreeBSD, thumbv7neon Android/Linux, x86_64‑unknown‑uefi, among others).
- Enhanced the standard library: many numeric methods and NonZero getters are now const, stabilized APIs like Option::transpose, Result::transpose, Duration conversions, and Cargo now supports publishing crates that require feature flags a...
Rust 1.33.0
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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.