- Added many language features: numeric fields for tuple structs, loops returning values, C‑compatible unions, non‑capturing closure coercion, and increased macro recursion limit.
- Extended compiler and Cargo capabilities: Android toolchain bootstrapping, VS2017 support, LLVM 4.0.1 default, new error codes, static CRT linking, and numerous Cargo improvements (env vars in build scripts, workspace glob patterns, retr...
- Introduced breaking changes and bug fixes: removal of the Z flag, hard errors for previously warned constructs, fixes for ICEs and ARM codegen bugs, and performance optimizations for string ops and slice reversals.
Rust 1.19.0
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.