- Stabilized generic argument inference, mismatched lifetime syntax lint, and made the implicit autorefs lint deny by default, plus many new target feature stabilizations (avx512, sha512, sm3, sm4, LoongArch, etc.)
- Added a breaking change to ?Sized bounds on impls for recursive types with associated type projections (Sized Hierarchy), and introduced several new stable APIs such as File::lock, NonNull provenance methods, and const‑stabilized standar...
- Cargo now aligns fix/clippy target selection with other build commands, doctests support cross‑compilation, and Rustdoc’s mobile sidebar is full‑width with line‑wrap