- Added numerous stable const APIs, new Cargo configuration options (build.warnings, resolver.lockfile path), Rustdoc flags, and language lint improvements including trailing‑self import support.
- Dropped support for old nvptx64 CUDA architectures and introduced several compatibility‑breaking changes such as corrected pin! deref coercions, Windows socket write behavior, default v0 symbol mangling, and stricter syntax validations.
- Deprecated std::char constants and functions, removed hidden f64 methods, and expanded documentation for the new Cargo and Rustdoc features.
Rust 1.97.0
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Fixed a miscompilation issue caused by LLVM optimizations.
Fixed Cargo's timeout and retry behavior
Added several language and compiler features: expr metavariables in cfg, automatic coercion of never types in tuples, support for s390x vector registers and LoongArch link relaxation, and allowing ManuallyDrop constants in patterns.