- Standard library reaches ~75% stability, disabling unstable features on stable builds and normalizing crate naming conventions.
- Language upgrades include debug overflow checks, stricter trait coherence, lifetime shadowing errors, UFCS enhancements, inherent primitive methods, improved object safety, new Reflect trait, and deprecation of unsafe destructors.
- Library changes rename modules, move IteratorExt methods into Iterator, centralize conversion traits, modify splitn signature, default file descriptors to CLOEXEC, add generic string pattern API, index traits accept values, and make Copy...
Rust 1.0.0
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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.