- Fix multiple regressions that caused ICEs, crashes, and LLVM errors (e.g., assertion failure, SIGSEGV, Windows ethcore build failure).
- Address high memory usage during release linking with debug info and corrupted memory after recent updates.
- Improve debug info generation and MIR translation stability (inject bitcast on type mismatches, handle spread arguments more robustly).
Rust 1.12.1
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.