Issues

• getting started

  microsoft/TypeScript#65100 · Filter by author Program-creator122 opened on Nov 2, 2026

• 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

  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

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

• TypeScript 7 memory grows without bound on a next-intl call with a missing namespace and ICU arguments (6.0 stays at 2.5 GB)

  microsoft/TypeScript#65095 · Filter by author jcoulaud opened on Nov 1, 2026

• TS18000 circularity message prints its {0} placeholder instead of the config chain

  microsoft/TypeScript#65094 · Filter by author cplieger opened on Nov 1, 2026

• Feature Request: Allow Content Mappers to opt-in to transforming files end in built-in extensions

  microsoft/TypeScript#65092 · Filter by author GoodbyeNJN opened on Nov 1, 2026
  1

• Native compiler API resolves a default-parameter reference to a body function binding

  microsoft/TypeScript#65090 · Filter by author CaliLuke opened on Nov 1, 2026

• Async API requests remain pending after the RPC connection closes

  microsoft/TypeScript#65089 · Filter by author wsjwu58-cmd opened on Nov 1, 2026

• Native API: formatDiagnosticsWithColorAndContext drops related information without a file location

  microsoft/TypeScript#65087 · Filter by author emerardd opened on Nov 1, 2026

• Implicit Function Parameter Types won't Work in JavaScript

  microsoft/TypeScript#65086 · Filter by author neurolag opened on Nov 1, 2026
  1

• Content mappers: saving a watchedFiles file that is open in the editor never re-runs openProject (stale types until the language server is restarted)

  microsoft/TypeScript#65084 · Filter by author toiroakr opened on Nov 1, 2026

• API: tsc.exe opens a visible console window on Windows when the parent process has no console

  microsoft/TypeScript#65083 · Filter by author SegaraRai opened on Oct 31, 2026

• panic: nil pointer dereference in CreateDiagnosticForNodeInSourceFile for a malformed "files" array in tsconfig.json

  microsoft/TypeScript#65079 · Filter by author THEtheChad opened on Oct 31, 2026

• panic: strings: negative Repeat count with --pretty; TS8010 span for an empty type annotation in JS ends before it starts

  microsoft/TypeScript#65078 · Filter by author THEtheChad opened on Oct 31, 2026

• Native tsc reads a literal U+FFFD in a regex character class as 0xEF (false TS1517 / TS1516)

  microsoft/TypeScript#65076 · Filter by author evanmarrone opened on Oct 31, 2026

• typescript/ast/scanner: scan() never advances past # not followed by an identifier start (7.1.0-beta)

  microsoft/TypeScript#65075 · Filter by author ilterugur opened on Oct 31, 2026
  1

• API: closeProjects then openFiles crashes tsgo (nil ChangeIf in acquireConfigForFile)

  microsoft/TypeScript#65071 · Filter by author timurzvural opened on Oct 31, 2026

• 7.1: array-destructured parameter with a = [] default loses its contextual type (TS7031)

  microsoft/TypeScript#65069 · Filter by author timurzvural opened on Oct 31, 2026

• [ServerErrors][TypeScript] main

  microsoft/TypeScript#65068 · Filter by author typescript-automation opened on Oct 31, 2026
  4

• Native printer panics when printing JSDoc AST nodes

  microsoft/TypeScript#65057 · Filter by author el-j opened on Oct 30, 2026

• API server panics in acquireConfigForFile when opening a JS file a tsconfig does not include

  microsoft/TypeScript#65054 · Filter by author 0x80 opened on Oct 30, 2026
  1

• 7.0 regression: inherited members are sorted by position, so an empty subinterface changes assignability

  microsoft/TypeScript#65052 · Filter by author pearofducks opened on Oct 30, 2026

• API: coarse-grained checker queries for tools that extract a whole API surface (getSymbolDocumentations, getMembersOfType)

  microsoft/TypeScript#65051 · Filter by author WinterYukky opened on Oct 30, 2026
  2

• sync API: the client and the server spend more time waiting for each other's next message than handling it; a small change to how both wait

  microsoft/TypeScript#65049 · Filter by author WinterYukky opened on Oct 30, 2026