Issues

• Native declaration emit drops JS require array/nested destructuring (broken .d.ts)

  microsoft/TypeScript#65141 · Filter by author timurzvural opened on Nov 3, 2026

• Native tsc: unsound assignability with method inherited() + property (x: Partial<T>) => Required<T>

  microsoft/TypeScript#65140 · Filter by author timurzvural opened on Nov 3, 2026

• Native printer: nested PartiallyEmittedExpression unwind exits the inner node twice (duplicates trailing comments)

  microsoft/TypeScript#65139 · Filter by author timurzvural opened on Nov 3, 2026

• Native declaration emit keeps binding patterns in .d.ts (illegal declare const [a, b] / { c })

  microsoft/TypeScript#65138 · Filter by author timurzvural opened on Nov 3, 2026

• Native --isolatedDeclarations silently emits exported array binding patterns (misses TS9019)

  microsoft/TypeScript#65137 · Filter by author timurzvural opened on Nov 3, 2026
  2

• Native tsc: unsound assignability when a generic interface inherits () => T and (x: T) => Required<T> property functions

  microsoft/TypeScript#65136 · Filter by author timurzvural opened on Nov 3, 2026

• Native tsc: GetEmitModuleFormatOfFile ignores content-mapper VirtualFileName (*.mts treated as CJS under module:commonjs)

  microsoft/TypeScript#65135 · Filter by author timurzvural opened on Nov 3, 2026
  1

• Native tsc: interface getter returning polymorphic this resolves to any

  microsoft/TypeScript#65134 · Filter by author timurzvural opened on Nov 3, 2026

• Native tsc printer: new (C()!.D) emits as new (C()!).D (misses NonNull in hasUnparenthesizedCallAtStartOfMemberChain)

  microsoft/TypeScript#65133 · Filter by author timurzvural opened on Nov 3, 2026

• Native LS: empty-tuple spread makes trailing-rest inlay hints disagree with the checker (regressed in #64410)

  microsoft/TypeScript#65130 · Filter by author timurzvural opened on Nov 3, 2026

• Native tsc: interface-only string index signatures no longer simplify under generic indexed access (regressed in #65059)

  microsoft/TypeScript#65127 · Filter by author timurzvural opened on Nov 3, 2026

• Native tsc: GetContentMapperOptionDiagnosticLocation panics when contentMappers are inherited via extends

  microsoft/TypeScript#65128 · Filter by author timurzvural opened on Nov 3, 2026

• Native LS: auto-import ranks paths-mapped "node:…" as Node core after #65117

  microsoft/TypeScript#65125 · Filter by author timurzvural opened on Nov 3, 2026

• dirty.SyncMap: Delete on a raced non-dirty Load fails to tombstone the dirty winner

  microsoft/TypeScript#65126 · Filter by author timurzvural opened on Nov 3, 2026

• Native tsc: TS18000 circular extends message omits configs before the cycle (regressed in #65091)

  microsoft/TypeScript#65124 · Filter by author timurzvural opened on Nov 3, 2026

• Honor @deprecated on a literal member of a union

  microsoft/TypeScript#65123 · Filter by author patrickkettner opened on Nov 3, 2026

• Let a module augmentation with a wildcard add to every file it matches

  microsoft/TypeScript#65118 · Filter by author alvaro-cuesta opened on Nov 2, 2026

• Content mappers that run node need it on the PATH in VS Code, while tsserver never did

  microsoft/TypeScript#65114 · Filter by author alvaro-cuesta opened on Nov 2, 2026

• Let an ambient module declaration with import attributes refer to the module it matched

  microsoft/TypeScript#65109 · Filter by author alvaro-cuesta opened on Nov 2, 2026

• Native tsc: merge conflict markers after U+2028/U+2029 are not recognized (false TS1109 instead of TS1185)

  Won't Fix
  microsoft/TypeScript#65107 · Filter by author timurzvural opened on Nov 2, 2026
  1

• Native tsc: --isolatedDeclarations reports false TS9039/TS9013 instead of TS9007/TS9008

  Bug
  microsoft/TypeScript#65106 · Filter by author timurzvural opened on Nov 2, 2026 · Backlog

• Can you please add some new features for types: string length getter (currently number), string getter by index (currently string), array multiple spreads (currently gives the error of type)

  Duplicate
  microsoft/TypeScript#65101 · Filter by author mark-sss-coder opened on Nov 2, 2026
  2

• TS7.1 importing .json with type: something still parses the JSON file even though ambient module declaration is used

  microsoft/TypeScript#65098 · Filter by author Knagis opened on Nov 2, 2026

• Content mappers: a relative package path loads the package.json of the nearest folder with node_modules

  Needs Investigation
  microsoft/TypeScript#65097 · Filter by author onmax opened on Nov 2, 2026
  

• Clarify EULA and Background Sync provenance in TypeScript 5.9.3 third-party notices

  Question
  microsoft/TypeScript#65096 · Filter by author beefstew opened on Nov 2, 2026
  4