rust-analyzer

Changelog #319

Mon, 16 Mar 2026 00:00:00 +0000

Commit: 90c8906
Release: 2026-03-16 (v0.3.2828)

Fixes

#21793 (first contribution) handle multi-byte UTF-8 identifiers in NameGenerator::suggest_name.
#21767 remove crate from EditionedFileId.
#21785 allow duplicate associated type shorthand resolution if it points to the same associated type.
#21820 infer generic args for TraitRef and its associated types.
#21794 validate naming convention for union types.
#21771 make file watcher recursive.

Internal Improvements

#21818 refactor MirLowerCtx to use &ExpressionStore instead of &Body.
#21788 don’t re-query source roots per-crate in analysis-stats.
#21804 disambiguate error messages when proc-macro-srv changes the working directory.

Changelog #318

Mon, 09 Mar 2026 00:00:00 +0000

Commit: 51966da
Release: 2026-03-09 (v0.3.2819)

New Features

#21752 go to From impl when on "Go to definition" for ?.

Fixes

#21745 fix a bug in associated type lowering.
#21750 don’t use TypingMode::PostAnalysis for IDE method resolution.
#21747 allow never coercions in struct update syntax.
#21726 align is_rust ABI check with rustc.
#21705 support expressions in cfg_select!.
#21728 use correct range for add_missing_match_arms in macro calls.
#21719 improve formatting in replace_if_let_with_match.
#21687 offer destructure_struct_binding on self parameters.
#21671 complete postfix let on references in match arms.
#21770 update VFS when a watched file is deleted.
#21763 tweak -Zlockfile-path pre-release check for beta.

Internal Improvements

#21782 (first contribution) add rust-analyzer parse --json.
#21755 (first contribution) add has_pending methods to Incoming/Outgoing/ReqQueue in lsp_server.
#21764 improve smol_str API surface in anticipation for 1.0.0.
#21774 migrate unqualify_method_call assist to SyntaxEditor.
#21734 replace ast::make in already migrated assists.
#21660 set up codecov.
#21732 define rules for LLMs.

Changelog #317

Mon, 02 Mar 2026 00:00:00 +0000

Commit: 566fe41
Release: 2026-03-02 (v0.3.2811)

Fixes

#21699 enable diagnostic for adding auto traits by casting *dyn Tr.
#21654 mark the RHS of compound assignments as ExprIsRead::Yes.
#21725 fix wrong condition in Visibility::min.
#21669 support Span::parent in proc macro expansion.
#21716 use -Zlockfile-path on pre-release 1.95 toolchains as well.
#21708 don’t panic on invalid LSP notifications.
#21706 don’t duplicate enum variants in pattern completion.
#21698 fix scrutinee indent in replace_if_let_with_match.

Internal Improvements

#21710, #21720 (first contribution) migrate fix_visibility and generate_derive assists to SyntaxEditor.
#21681 skip rustfmt test if nightly toolchain is missing.

Changelog #316

Mon, 23 Feb 2026 00:00:00 +0000

Commit: 0c746f6
Release: 2026-02-23 (v0.3.2803)

Fixes

#21635 (first contribution) improve #[cfg] handling when inserting or merging imports.
#21665 (first contribution) don’t qualify parameter names in add_missing_impl_members.
#21675 (first contribution) exclude references in macro calls inside tests when excludeTests is enabled.
#21664 handle cycles in sizedness_constraint_for_ty.
#21652, #21692 fix predicates of built-in derive traits with two parameters defaulting to Self.
#21655 complete derive helpers on empty namerefs.
#21594 complete postfix let and letm in match arms.
#21600 complete postfix let on block tail expression.
#21650 don’t complete suggested parameters in complex patterns.
#21536 offer toggle_macro_delimiter in nested macro calls.
#21623 offer replace_is_method_with_if_let_method on is_some_and.
#21684 pick the enclosing instead of first impl block in generate_function.
#21688 correctly parenthesize inverted condition in convert_bool_then.
#20353 support selecting only a subset of fields in generate_getter_or_setter.
#21389 handle references better in convert_to_guarded_return, replace_if_let_with_match and replace_let_with_if_let.
#21657 support Span::source in proc macro expansion.

Internal Improvements

#21631 refactor handling of associated type shorthands.
#21630 use CARGO_RESOLVER_LOCKFILE_PATH for lockfile copies on 1.95 and later.
#21643 replace edit_in_place::Indent in generate_impl.
#21661, #21666 add integration tests for flycheck.

Changelog #315

Mon, 16 Feb 2026 00:00:00 +0000

Commit: 00a9173
Release: 2026-02-16 (v0.3.2795)

New Features

#21574 filter auto-import candidates to make sure the resulting path resolves.
#21591 split long parameter lists into multiple lines for hover.

Fixes

#21647 (first contribution) handle ref mut bindings in contains_explicit_ref_binding.
#21649 treat dereferencing *mut ! right-hand side values in assignments as reads.
#21611 update allow_normalization to match rustc.
#21627 revert "implement fine-grained request cancellation support".
#21644 revert "fix stale diagnostics with rust-project.json and rustc JSON".
#21632 treat extern fn parameters as identifiers, not patterns.
#21633 don’t resolve proc macros in value as functions outside their defining crate.
#21608 use the right index for the close span in set_top_subtree_delimiter_span.
#21402 don’t insert semicolon after function call in array literal.
#21583 keep associated type bounds in replace_derive_with_manual_impl.
#21381 fix Self handling in inline_call.

Internal Improvements

#21609 use rayon for proc macro loading.
#21606, #21507, #21618, #21619 migrate generate_getter_or_setter, introduce_named_lifetime, destructure_tuple_binding and convert_tuple_return_type assists to SyntaxEditor.
#21636 replace edit_in_place::Indent in migrated assists.
#21584 add expression, pattern and binding types iterators to DefWithBody.
#21581 run clippy as a separate CI step.
#21628 temporarily pin miri job toolchain.

Changelog #314

Mon, 09 Feb 2026 00:00:00 +0000

Commit: c75729d
Release: 2026-02-09 (v0.3.2786)

New Features

#21380 implement fine-grained request cancellation support.
#21572 add support for new try { … } and try bikeshed Ty { …} blocks.

Fixes

#21561 fix a glob issue affecting windows::core::HRESULT.
#21579 fix a panic on lowering cycles.
#21573 infer the expected len in include_bytes!() to avoid type mismatches.
#21569 parenthesise more cases like &(impl Trait1 + Trait2).
#21578 use display_source_code() in ReferenceConversion to avoid trying to parse {unknown}.
#21526, #21557 complete postfix not and let in conditions.
#21508 emit else branch in move_guard.
#21571 fix stale diagnostics with rust-project.json and rustc JSON.
#21580 truncate display version of commands consistently.

Internal Improvements

#21488 remove Edition::CURRENT_FIXME.
#21599 simplify binding hash computation in syntax highlighting.

Changelog #313

Mon, 02 Feb 2026 00:00:00 +0000

Commit: 7cb789d
Release: 2026-02-02 (v0.3.2777)

New Features

#21408 add support for default field values.
#21460 add support for #![feature(new_range)].

Fixes

#21564 fix upvar analysis of nested closures and re-enable unused_variables and unused_mut.
#21527 match ⇒ and == after meta in macros.
#21528 handle Self::EnumVariant and Self on traits in doclinks.
#21533 fix panic when an opaque was constrained to an impossible type in method autoderef.
#21555 clear diagnostics on panic.
#21542 complete inferred types in statics.
#21495 complete else before tuples.
#21513 use binding name for the new function in extract_function.
#21522 add semicolon in toggle_macro_delimiter.
#21514 handle continue in convert_range_for_to_while.
#21534 don’t panic if spawning the workspace discovery command fails.

Internal Improvements

#21548 make JSON and postcard protocols explicit, drop generic Codec.
#21410 handle cancellation in bidirectional proc macro calls.

Changelog #312

Mon, 26 Jan 2026 00:00:00 +0000

Commit: 2532c48
Release: 2026-01-26 (v0.3.2769)

Fixes

#21497 (first contribution) allow const evaluation errors in method resolution.
#21491 insert type variables for statics.
#21490 don’t mix up regular and built-in derives in "Expand macro recursively".
#21485 avoid emitting redundant block in move_guard.
#21499 don’t offer apply_demorgan on if let.

Internal Improvements

#21492 fix parameter capture and drop order in async functions.
#21385 parallelize proc macro expansion.
#21479 add tests for bidirectional communication in proc macro expansion.
#21509 add tests for renaming keywords in imports.

Changelog #311

Mon, 19 Jan 2026 00:00:00 +0000

Commit: 080e703
Release: 2026-01-19 (v0.3.2761)

New Features

#21483 trigger flycheck when non-workspace files get modified.

Fixes

#21475 (first contribution) look up flycheck by ID instead of vector index.
#21462 sync cast checks to rustc once again.
#21456 make naked_asm!() always return !.
#21364 fix lowering crash with supertrait predicates.
#21445 disable unused_variables and unused_mut warnings.
#21459 hide macro-generated renamed imports from symbol index.
#21464 respect re-exports in path symbol search.
#21484 don’t show sysroot dependencies in symbol search.
#21451 complete mut and raw on &x.foo().
#21442 keep #[cfg] and #[track_caller] after extract_function.
#21412 keep guard expression in move_guard.
#20946 offer convert_to_guarded_return on if let … else.
#21465 don’t offer remove_parentheses on (2 as i32) < 3.

Internal Improvements

#21458, #21443 migrate unwrap_block and generate_mut_trait_impl assists to SyntaxEditor.
#21466 remove postcard-legacy proc macro server protocol.
#21468 improve workspace.discoverConfig docs.

Changelog #310

Mon, 12 Jan 2026 00:00:00 +0000

Commit: dd48777
Release: 2026-01-12 (v0.3.2753)

New Features

#21415, #21446 allow Rust paths in symbol search.
#18043 support configuring flycheck using workspace.discoverConfig.

Performance Improvements

#21407 reuse scratch allocations for try_evaluate_obligations.

Fixes

#21414 (first contribution) include traits defined in other crates in flyimport.
#21436 (first contribution) handle #[ignore = "reason"] on tests.
#21405 (first contribution) support Span::line and Span::column in proc macro expansion.
#21416 support Span::byte_range in proc macro expansion.
#21421 fix recursive built-in derive expansion.
#21399 properly lower SelfOnly predicates.
#21434 remove code made redundant by method resolution rewrite.
#21432 fix missing lifetimes diagnostics with function pointers.
#21420 ignore escapes when string highlighting is disabled.

Internal Improvements

#21438, #21439 add integration test infrastructure to proc macro server.
#21433 include private definitions in generated docs.