rust-lang/rust-analyzer 2026-07-13

on GitHub

Commit: ffcdbbd
Release: 2026-07-13 (v0.3.2971)

New Features

• #22734 add quick fix for array length mismatch.

Performance Improvements

• #22766 share same proc macro servers between workspaces and use two processes.

Fixes

• #22770 (first contribution) clamp cttz const eval result to type width.
• #22654 improve #[doc = macro!()] expansion.
• #22744 don't complete ..Default::default() when implementing Default.
• #22736 fix panic in merge_imports on trailing path separator.
• #22707 fix MIR lowering crash with error types.
• #22749 fix crash in generate_function with unresolved module.
• #22751 handle #[cfg] in tail expression macros even better.
• #22683 support Cargo 1.97 CARGO_RESOLVER_LOCKFILE_PATH setting.
• #22735 fix proc macros TokenStream::from_str for doc comments.
• #22741 add parentheses when adding reference to dyn 'a + B.
• #22535 prettify associated consts of trait defined by a macro.
• #22726 suggest code action fixes even if their range is elsewhere.
• #22405 recurse into container expressions for unused-must-use.
• #22768 handle $ in onEnter.

Internal Improvements

• #22728 remove dead NavigationTarget::docs field.
• #22719 remove some more ExpandDatabase queries.
• #22729 migrate ExpandDatabase::{expansion_,real_,}span_map queries.
• #22733 make expand_speculative a method on MacroCallId.
• #22717 simplify fn_macro::register_builtin!.
• #22739 remove ExpandDatabase.
• #22746 remove cycle_{fn,initial} support from #[query_group].
• #22745 remove DefDatabase.
• #22774 remove Intern::Database and Lookup::Database associated types.
• #22764 use Expr::parse instead of SourceFile::parse in ast::make.
• #22748 remove unnecessary clone_for_update.
• #22581 log a message when cache priming completes.
• #22755 support goards in match_ast!.
• #22753 bring lsp_server::Response closer to the spec.
• #22635 bump gen-lsp-types.
• #22750 fix new Clippy lints.

See also the changelog post.