rust-lang/rust-analyzer 2026-08-03

on GitHub

Commit: b54a82b
Release: 2026-08-03 (v0.3.2997)

New Features

• #22306 emit inactive-code diagnostics in macros.
• #22959 support CovariantUnsafeCell.

Performance Improvements

• #22966 avoid having a separate query for defined opaques.

Fixes

• #22886 (first contribution) fix a glob import shadowing bug.
• #22964 (first contribution) show qualified paths on collisions in type-mismatch.
• #22947 (first contribution) fix error code for mismatched-arg-count.
• #22977 (first contribution) handle disallowed names in unlinked_file.
• #22996 (first contribution) parse multi-line component arrays in rust-toolchain.toml
• #22743 resolve path in all namespaces in resolve_path.
• #22943 mark auto traits as coinductive.
• #22932 fix a panic with large discriminant values.
• #22930 fix a panic on <S as S>::S.
• #22933 fix a Semantics panic on include!.
• #22938 fix a panic with HRTB closure arguments.
• #22957 hide parameter inlay hints with matching raw identifiers.
• #22965 don't allocate anonymous consts for bare paths in blocks.
• #22956 double stack size to 16MB.
• #22948 implement slice_get_unchecked in MIR debug execution, to fix bitflags!.
• #22992 don't panic on a self-referential impl Trait function.
• #22993 handle backslash in r"\{foo}".
• #23004 parse || 1.. .field.
• #23003 add reference when completing a parameter where coercion applies.
• #22940 match virtual paths by components.
• #22660 respect references.exclude{Tests,Imports} in references lens.
• #22903 only try to parse discoverConfig command stdout.

Internal Improvements

• #22937 (first contribution) disallow postix snippets with item scope.
• #22958 (first contribution) temporarily re-add --lockfile-path support.
• #22909 (first contribution) make analysis-stats progress bar Unicode-safe.
• #22945 store "liberated" closure signatures in InferenceResult.
• #22864, #22997 fully port ExprScopes to take a visitor.
• #22808 remove clone_for_update and mutable rowan APIs.
• #22998 bump rowan to the version without mutable APIs.
• #22969 simplify SourceChange.
• #22939 bump rustc_next_trait_solver.

See also the changelog post.