Issues

• DAS ignores range for textDocument/semanticTokens requests

  area-devexpdevexp-lspP2type-performance
  dart-lang/sdk#64635 · Filter by author srawlins opened on Oct 19, 2026
  1

• DAP: every new isolate stays paused for seconds while the debug adapter calls setLibraryDebuggable for each library (large Flutter desktop app)

  dart-lang/sdk#64633 · Filter by author cseibar opened on Oct 18, 2026
  1

• [analyzer] False negative for unchecked_use_of_nullable_value

  area-devexp
  dart-lang/sdk#64632 · Filter by author incendial opened on Oct 18, 2026
  3

  

• [dart2wasm] Deduplicate .mjs callback wrappers by arity and shape

  dart-lang/sdk#64631 · Filter by author kevmoo opened on Oct 17, 2026

• Find references/go to definition don't work for operators in relational patterns

  area-devexp
  dart-lang/sdk#64630 · Filter by author Komoszek opened on Oct 17, 2026
  1

• Find references misses uses of operators in other files

  area-devexp
  dart-lang/sdk#64629 · Filter by author Komoszek opened on Oct 17, 2026
  3

• [vm] EnsureDeeplyImmutable shares mutable TypedData via closures

  area-vm
  Bug

  dart-lang/sdk#64628 · Filter by author kevmoo opened on Oct 17, 2026

• Request to cherry-pick 0a77011 ([vm, profiler] stack boundary fix) to stable 3.13.x: Flutter 3.47.1+ flutter_tester crashes on Windows

  dart-lang/sdk#64627 · Filter by author cateyelow opened on Oct 17, 2026

• [analyzer] False negative for inference_failure_on_function_invocation

  area-devexp
  dart-lang/sdk#64625 · Filter by author incendial opened on Oct 17, 2026
  2

  

• [vm/gc] Debug (JIT) build on Android arm64 crashes in StackFrame::VisitObjectPointers on bogus stack slot value 0x723f (scavenger and marker)

  dart-lang/sdk#64624 · Filter by author arkanmgerges opened on Oct 17, 2026
  1

• [migrate] Add analytics to the tool

  dart-cli-migrate
  dart-lang/sdk#64623 · Filter by author kallentu opened on Oct 16, 2026
  

• [LSP] Add semantic token modifiers to distinguish mixins, extensions, top-level elements, and tear-offs

  dart-lang/sdk#64621 · Filter by author juan-mora-google opened on Oct 16, 2026
  1

• [vm] Failing as FutureOr<T> on a Smi crashes with SIGSEGV instead of throwing TypeError (JIT and AOT)

  area-vm
  dart-lang/sdk#64620 · Filter by author penne-0505 opened on Oct 16, 2026

• Find references/rename miss implicit uses of a call method

  area-devexp
  dart-lang/sdk#64619 · Filter by author Komoszek opened on Oct 16, 2026
  1

• Analyzer fails to report assignment to final or late final local variable when assigned in the RHS of an assignment

  area-dart-modeldart-model-analyzer-spec
  dart-lang/sdk#64618 · Filter by author stereotype441 opened on Oct 16, 2026
  1

  

• Find references/rename ignore declarations in a non-default conditional import/export variant

  area-devexp
  dart-lang/sdk#64617 · Filter by author Komoszek opened on Oct 16, 2026
  1

• [analyzer] Diagnose same-library implements of a base/final type that can be extended from another library

  area-devexp
  dart-lang/sdk#64614 · Filter by author FMorschel opened on Oct 16, 2026
  2

• DAS ignores viewport range for textDocument/inlayHint requests

  area-devexpdevexp-lspP2type-performance
  dart-lang/sdk#64613 · Filter by author srawlins opened on Oct 16, 2026
  1

• LSP completion is significantly slower than non-LSP ("legacy") completion

  area-devexpdevexp-completionP2type-performance
  dart-lang/sdk#64611 · Filter by author srawlins opened on Oct 16, 2026
  2

• Uri.toString produces an unparseable relative reference for './1:2'

  area-core-librarylibrary-coretype-bug
  dart-lang/sdk#64609 · Filter by author vera-rubin opened on Oct 16, 2026
  1

• pkg/analyzer_utilities/test/upgrade_sdk_language_version_test fails on Windows and macOS CI bots

  area-dart-model
  dart-lang/sdk#64608 · Filter by author stereotype441 opened on Oct 16, 2026
  

• [Variance] Language Tests in tests/language

  area-testfeature-variance
  dart-lang/sdk#64607 · Filter by author kallentu opened on Oct 15, 2026
  

• Failures on [analysis_server] Drop interpolation braces in RemoveThisAlias....[vm,dyn_modules] Fix stack traces with interpreted implicit closures.

  area-vmgardening
  dart-lang/sdk#64603 · Filter by author alexmarkov opened on Oct 15, 2026
  1

• [dartpad] Language server startup fails with Platform._version in Dart 3.15.0-33.0.dev

  dart-lang/sdk#64602 · Filter by author LeonMollNetlight opened on Oct 15, 2026
  3

• [fuchsia] Flaky build failure due to missing FIDL codegen order-only dependencies (fidl.h / wire.h / markers.h file not found)

  area-infrastructureos-fuchsia
  dart-lang/sdk#64599 · Filter by author stereotype441 opened on Oct 14, 2026
  1