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Support recent Iterator/Iterator.prototype methods in esnext (eventually es2027)

CommittedThe team has roadmapped this issueThe team has roadmapped this issue

Domain: lib.d.tsThe issue relates to the different libraries shipped with TypeScriptThe issue relates to the different libraries shipped with TypeScript

SuggestionAn idea for TypeScriptAn idea for TypeScript

Status: Open.

#63700 In microsoft/TypeScript;

· DanielRosenwasser opened on Jul 31, 2026

Support Promise.allKeyed/Promise.allSettledKeyed methods in esnext (eventually es2027)

CommittedThe team has roadmapped this issueThe team has roadmapped this issue

Domain: lib.d.tsThe issue relates to the different libraries shipped with TypeScriptThe issue relates to the different libraries shipped with TypeScript

SuggestionAn idea for TypeScriptAn idea for TypeScript

Status: Open.

#63701 In microsoft/TypeScript;

· DanielRosenwasser opened on Jul 31, 2026

--incremental: after a pnpm dependency version change, the cached run is slower than a cold run and most of the time is unattributed

Needs InvestigationThis issue needs a team member to investigate its status.This issue needs a team member to investigate its status.

Status: Open.

#63731 In microsoft/TypeScript;

· mushan0x0 opened on Aug 7, 2026

Update wiki "Using the Compiler API" for TypeScript v7

DocsThe issue relates to how you learn TypeScriptThe issue relates to how you learn TypeScript

Status: Open.

#63747 In microsoft/TypeScript;

· peterpeterparker opened on Aug 11, 2026

Diagnostic code 8030 being incorrectly generated using JSDoc @type on a function.

BugA bug in TypeScriptA bug in TypeScript

Status: Open.

#63754 In microsoft/TypeScript;

· Arashiryuu opened on Aug 17, 2026

Go-to-type definition does not work on aliases to tuple types

BugA bug in TypeScriptA bug in TypeScript

Domain: LS: Symbol NavigationRelates to go-to-definition, find-all-references, highlighting/occurrences.Relates to go-to-definition, find-all-references, highlighting/occurrences.

Status: Open.

#63762 In microsoft/TypeScript;

· DanielRosenwasser opened on Aug 19, 2026

tsc is not resposive to ctrl-c

Needs InvestigationThis issue needs a team member to investigate its status.This issue needs a team member to investigate its status.

Status: Open.

#63856 In microsoft/TypeScript;

· lukesandberg opened on Jul 13, 2026

wasip1: LSP over node:wasi hangs after initialize — signal watcher starves the scheduler (fix included)

BugA bug in TypeScriptA bug in TypeScript

Status: Open.

#63862 In microsoft/TypeScript;

· calvinrp opened on Jul 22, 2026

[ServerErrors][TypeScript] main vs

Needs InvestigationThis issue needs a team member to investigate its status.This issue needs a team member to investigate its status.

Status: Open.

#63868 In microsoft/TypeScript;

· typescript-automation opened on Jul 30, 2026

internal/ls: getContextNodeForNodeEntry returns nil for module-specifier literals (stock returns the enclosing import statement)

Needs InvestigationThis issue needs a team member to investigate its status.This issue needs a team member to investigate its status.

Status: Open.

#63872 In microsoft/TypeScript;

· johnsoncodehk opened on Aug 3, 2026

[lsp] Go to Definition returns sources[0] of the declaration map instead of the mapped source file

BugA bug in TypeScriptA bug in TypeScript

Status: Open.

#63874 In microsoft/TypeScript;

· flosrn opened on Aug 4, 2026

API feature roadmap

CommittedThe team has roadmapped this issueThe team has roadmapped this issue

SuggestionAn idea for TypeScriptAn idea for TypeScript

Status: Open.

#63875 In microsoft/TypeScript;

· andrewbranch opened on Aug 4, 2026

[API] Narrow types of Node attributes when possible

Needs InvestigationThis issue needs a team member to investigate its status.This issue needs a team member to investigate its status.

Status: Open.

#63877 In microsoft/TypeScript;

· Gerrit0 opened on Aug 6, 2026

[ServerErrors][TypeScript] main vs

Needs InvestigationThis issue needs a team member to investigate its status.This issue needs a team member to investigate its status.

Status: Open.

#63878 In microsoft/TypeScript;

· typescript-automation opened on Aug 8, 2026

API returns a stale SourceFile after the latest snapshot is disposed

Needs InvestigationThis issue needs a team member to investigate its status.This issue needs a team member to investigate its status.

Status: Open.

#63890 In microsoft/TypeScript;

· dbaeumer opened on Aug 19, 2026

Wasm build

CommittedThe team has roadmapped this issueThe team has roadmapped this issue

SuggestionAn idea for TypeScriptAn idea for TypeScript

Status: Open.

#63813 In microsoft/TypeScript;

· justinfagnani opened on Apr 21, 2026

textDocument/diagnostic on the first-opened file in a session can silently omit real errors

Needs InvestigationThis issue needs a team member to investigate its status.This issue needs a team member to investigate its status.

Status: Open.

#63887 In microsoft/TypeScript;

· cheruvian opened on Aug 13, 2026

Support source phase imports

CommittedThe team has roadmapped this issueThe team has roadmapped this issue

Help WantedYou can do thisYou can do this

SuggestionAn idea for TypeScriptAn idea for TypeScript

Status: Open.

#61216 In microsoft/TypeScript;

· dsherret opened on Feb 18, 2025

Crash: class-level decorator on an anonymous class panics during ES decorator emit

BugA bug in TypeScriptA bug in TypeScript

Status: Open.

#63962 In microsoft/TypeScript;

· daniellockyer opened on Aug 23, 2026

Crash: malformed object destructuring assignment panics in class fields transform

BugA bug in TypeScriptA bug in TypeScript

Status: Open.

#63963 In microsoft/TypeScript;

· daniellockyer opened on Aug 23, 2026

Crash: malformed super destructuring in a decorated class static block panics

BugA bug in TypeScriptA bug in TypeScript

Status: Open.

#63964 In microsoft/TypeScript;

· daniellockyer opened on Aug 23, 2026

Crash: optional chain + tagged template panics the optional-chain transform

BugA bug in TypeScriptA bug in TypeScript

Status: Open.

#63965 In microsoft/TypeScript;

· daniellockyer opened on Aug 23, 2026

Panic "Diagnostic emitted without context" ts-go in declaration emit for export default arrow/function expression with non-portable inferred return type

BugA bug in TypeScriptA bug in TypeScript

Status: Open.

#63761 In microsoft/TypeScript;

· suyash-vyas opened on Aug 19, 2026

SourceFile text does not include BOM

Needs InvestigationThis issue needs a team member to investigate its status.This issue needs a team member to investigate its status.

Status: Open.

#63850 In microsoft/TypeScript;

· acutmore opened on Jul 2, 2026

Add native-preview API for capturing .d.ts emit output

API Request

Status: Open.

#63843 In microsoft/TypeScript;

· hegrec opened on Jun 19, 2026