rust-lang/rust-analyzer 2025-10-27 on GitHub

Commit: 049767e
Release: 2025-10-27 (v0.3.2658)

New Features

#20854 feat (first contribution) parse script frontmatter.
#20837 feat (first contribution) expose addConfiguration API from the Code extension.
#20329, #20445, #20446, #20454, #20470, #20447, #20496, #20497, #20502, #20506, #20523, #20527, #20537, #20545, #20553, #20563, #20586, #20609, #20578, #20647, #20645, #20649, #20654, #20665, #20671, #20677, #20664, #20717, #20728, #20733, #20735, #20738, #20765, #20777, #20785, #20814, #20834, #20841, #20867, #20873, #20882, #20888, #20896, #20893, #20895 switch from Chalk to the next trait solver.
#20632 support navigation on primitives.
#20760 add all, any and not completions in #[cfg].
#20806, #20835 log flycheck stdout and stderr to files.
#19771 add "Generate blanket trait impl" assist.
#20705 add "Flip range expression" assist.
#19918 add "Remove else branches" assist.
#20855 improve fixture support.

Fixes

#20583 (first contribution) add rust-analyzer.semanticHighlighting.comments.enable option.
#20697, #20745 (first contribution) fix negative literals in const generics.
#19867 (first contribution) allow &raw [mut | const] for union fields in safe code.
#20432 (first contribution) improve identifier pattern handling in assists.
#20891 (first contribution) add negation semantic token type.
#20425 (first contribution) add parser heuristic to warn on unterminated strings.
#20520 add option to hide reborrows in adjustment inlay hints.
#20721 implement fallback properly.
#20755 add #[doc = include_str!(…)] completion.
#20423 make import sorting order follow the 2024 edition style.
#20801 small fixes for import insertion.
#20866 run cargo metadata on sysroot right from its path.
#20554 improve handling of the env! macro.
#20587 deduplicate methods in completion by function ID and not by name.
#20803 replace --show-output task defaults with --nocapture.
#20459 track diagnostic generations per package.
#20689 make flycheck clearing dependency-aware.
#20635 don't trigger two flychecks when saving files that are part of targets.
#20402 add more workarounds for incorrect startup diagnostics.
#20787 fix spurious incorrect_generics_len on generic enum variants used through type aliases.
#20770 don't trigger trait-impl-incorrect-safety on unresolved traits.
#20642 make #[target_feature] safe on WASM.
#20504 avoid infinite recursion while lowering associated type bounds from supertraits.
#20720 prevent rustup from automatically installing toolchains.
#20528 masquerade as nightly cargo when invoking flycheck with -Zscript.
#20612 fix "Expand macro recursively" on nested macro calls.
#20517 only compute unstable paths on nightly toolchains for IDE features.
#20639 resolve paths to snapshot test libraries absolutely.
#20547 don't highlight unrelated unsafe operation on unsafe blocks.
#20579 don't pass --target to rustc twice while fetching target data layout.
#20475 don't duplicate lang items with overridden sysroot crates.
#20518 fix else completion in let _ = if x {} $0.
#20390 add if-else completions in let statements and argument lists.
#20620, #20657 add else keyword completion after let statements.
#20653 don't output an empty generic parameters list in generate_function.
#20708 fix panic in destructure_struct_binding.
#20702 fix else completion before else keyword.
#20700 fix extract_variable on if-let.
#20709 fix panic in destructure_struct_binding.
#20710 fix shorthand fields in unused_variables.
#20661 tighten up expected type completions in if.
#20507 handle expected return type in completions.
#20725 fix lifetime elision handling for Fn-style trait bounds.
#20624 fix lifetime_bounds.
#20723 fix bind_unused_param with binding modes and underscore prefixes.
#20722 fix pull_assignment_up on chained ifs.
#20679 fix type completion with nested patterns.
#20592 handle closures inside match in add_braces.
#20543 don't suggest invalid transformation in replace_if_let_with_match.
#20742 don't turn unused variables into raw identifier.
#20598 support let chains in convert_to_guarded_return.
#20731 handle tuple and slice rest patterns in expand_rest_pattern.
#20729 add const generic parameter keyword completion.
#20793 add missing parentheses on ambiguity in missing_unsafe.
#20513 complete let in let-chains.
#20812 complete self parameters in associated trait functions.
#20805 improve parse errors for static and const.
#20824 fix completion type analysis in empty closures.
#20817 support add_explicit_type on parameters in let statements.
#20816 handle closure return type adjustments in add_return_type.
#20526 support let-chains for .let completions.
#20788 allow more string literal conversions from raw strings.
#20838 don't make convert_to_guarded_return applicable on let-else.
#20758 support else blocks with ! return type in convert_to_guarded_return.
#20772 support match inside if in pull_assignment_up.
#20673 support break with value in completions.
#20858 include trailing underscores when hiding inlay hints.
#20872 add missing rest pattern in convert_named_struct_to_tuple_struct.
#20880 fix invalid rest pattern in convert_tuple_struct_to_named_struct.
#20455 fix indent in convert_match_to_let_else.
#20509 fix indent in move_guard_to_arm_body.
#20613 fix indent in unresolved_field diagnostic fixes.
#20845 fix indent in add_braces.
#20850 fix indent in add_missing_match_arms.
#20670 improve incomplete statement heuristic.
#20831 add shorthand record field completions.
#20571 add type keyword completions.
#20886 improve handling of missing names in MethodCallExpr.
#20905 fix array inhabitedness check.
#20889 improve field completion parentheses heuristic.
#20658 complete else in more expressions.
#20611 add parantheses for precedence in replace_arith_op.
#20912 complete let before expression in if.
#20764 handle if-let in convert_to_guarded_return.
#20712 handle shorthand field patterns in destructure_tuple_binding.
#20589 place new module outside impl block in extract_module.
#20913 support let-chains in replace_is_method_with_if_let_method.
#20626 improve whitespace in make::struct_field_list.
#20534 improve semicolon handling in toggle_macro_delimiter.
#20442 only import the item in "Unqualify method call" when needed.
#20686 only offer generate_default_from_enum_variant when the variant name is completely selected.
#20771 offer invert_if on else.
#20844 offer add_braces on assignments.
#20599 offer apply_demorgan on !.
#20456 support guards in replace_match_with_if_let.
#20714 allow trailing comma in remove_dbg!.
#20511 don't offer convert_integer_literal on selections.
#20512 don't offer replace_arith_op on selections.
#20736 don't offer invert_if on if-let chains.
#20682 don't offer change_visibility for variant fields.
#20688 reduce replace_is_method_with_if_let_method applicability range.
#20759 fix casts and use typed syntax tree API in convert_to_guarded_return.
#20876 fix signature_help LSP conversion creating invalid UTF-16 offsets.

Internal Improvements

#20379 (first contribution) consistently use --- for horizontal rules.
#20483 (first contribution) optimize VS Code extension icon.
#20794 (first contribution) deduplicate sort and dedup calls.
#20667 add regression test for The One and Only Issue.
#20376 merge Trait and TraitAlias handling.
#20399 enable warning logs by default.
#20706 avoid allocating in stdx::replace.
#20730, #20748, #20860 migrate expand_record_rest_pattern, replace_arith_op and generate_single_field_struct_from assists to SyntaxEditor.
#20796 bump salsa.
#20852 do not enable force-always-assert by default.
#20631 remove support for #[register_attr].
#20804 pass --target to xtask install.
#20683 expose iterators over the types in InferenceResult.
#20669 add a testing guide.
#20633 clarify introduction in the README and manual.
#20638 add FAQ entry about Cargo build lock and cache conflicts.
#20560 add progress bars to more places in analysis-stats.
#20652 improve rust-analyzer diagnostics.
#20774 build x86_64-apple-darwin binaries on macos-14.