TypeScript 5.9.0

Issues

• RangeError - Maximum call stack size exceeded - in tsserver / vscode extension host - when providing type args to fn lambda

  BugDomain: check: Type CircularityNeeds More Info
  microsoft/TypeScript#61110 · Filter by author holvi-sebastian opened on Feb 4, 2025 · TypeScript 5.9.0
  1

  

• Paste with imports not working correctly

  Needs Investigation
  microsoft/TypeScript#61138 · Filter by author Tyriar opened on Feb 3, 2025 · TypeScript 5.9.0
  

• When using a string value as export for reference, the .d.ts file created with dot notation instead of computed property which can break

  BugDomain: Declaration Emit
  microsoft/TypeScript#61159 · Filter by author oriSomething opened on Feb 10, 2025 · TypeScript 5.9.0
  

• Slow compilation with nested optional chaining

  Needs Investigation
  microsoft/TypeScript#61273 · Filter by author dlittleton opened on Feb 26, 2025 · TypeScript 5.9.0
  

• require() is generated in JS although there's no runtime code

  Needs Investigation
  microsoft/TypeScript#61395 · Filter by author Llorx opened on Mar 11, 2025 · TypeScript 5.9.0
  5

  

• Different behavior for type reference directive in nodenext based on whether types are in @types or not

  Needs Investigation
  microsoft/TypeScript#47444 · Filter by author andrewbranch opened on Jan 14, 2022 · TypeScript 5.9.0
  14

  

• VSCode Find All References Not Working for Imported Functions

  Needs More Info
  microsoft/TypeScript#59134 · Filter by author lblblong opened on Jun 30, 2024 · TypeScript 5.9.0
  3

  

• Thousands of false positives that seem to crash the TypeScript extension

  Needs Investigation
  microsoft/TypeScript#60117 · Filter by author handeyeco opened on Oct 2, 2024 · TypeScript 5.9.0
  

• No file ending when adding import

  Needs Investigation
  microsoft/TypeScript#60451 · Filter by author jrieken opened on Nov 7, 2024 · TypeScript 5.9.0
  2

  

• rewriteRelativeImportExtensions does not rewrite the extension for an import expressions unless the file is detected to be a module

  Needs Investigation
  microsoft/TypeScript#60599 · Filter by author bradzacher opened on Nov 25, 2024 · TypeScript 5.9.0
  6