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Missing undefined for hover

Status: Open.

#63276 In Microsoft/TypeScript;

· Withered-Flower-0422 opened on Mar 20, 2026

TypeScript enum emit inconsistency

QuestionAn issue which isn't directly actionable in codeAn issue which isn't directly actionable in code

Status: Open.

#63275 In Microsoft/TypeScript;

· magic-akari opened on Mar 20, 2026

[Localization] Misleading Chinese translation for TS2561 error message

BugA bug in TypeScriptA bug in TypeScript

i18n(Ping PDostalek) Translation/Localization/Internationalization of messages in the compiler.(Ping PDostalek) Translation/Localization/Internationalization of messages in the compiler.

Status: Open.

#63274 In Microsoft/TypeScript;

· HHaoWang opened on Mar 20, 2026

Crash: RangeError: Maximum call stack size exceeded in getNameOfSymbolAsWritten via recursive conditional ReturnType

BugA bug in TypeScriptA bug in TypeScript

Status: Open.

#63273 In Microsoft/TypeScript;

· na7ure-a opened on Mar 20, 2026

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Backlog

Crash: RangeError: Invalid string length in addSpans during instantiation of recursive template literal types

BugA bug in TypeScriptA bug in TypeScript

Status: Open.

#63271 In Microsoft/TypeScript;

· na7ure-a opened on Mar 19, 2026

·  

Backlog

Crash: RangeError: Maximum call stack size exceeded in isRelatedTo with recursive tuple types and spread elements

BugA bug in TypeScriptA bug in TypeScript

Status: Open.

#63270 In Microsoft/TypeScript;

· na7ure-a opened on Mar 19, 2026

·  

Backlog

Regression: RangeError: Maximum call stack size exceeded in instantiateTypeWorker with recursive intersections and invalid type queries

BugA bug in TypeScriptA bug in TypeScript

Status: Open.

#63269 In Microsoft/TypeScript;

· na7ure-a opened on Mar 19, 2026

·  

Backlog

Omit keyof any

DuplicateAn existing issue was already createdAn existing issue was already created

Status: Open.

#63266 In Microsoft/TypeScript;

· fudom opened on Mar 18, 2026

Return statement required even when not needed

DuplicateAn existing issue was already createdAn existing issue was already created

Status: Open.

#63264 In Microsoft/TypeScript;

· eliashakuni opened on Mar 18, 2026

Type narrowing incorrect when providing some function generics when default generics present

Status: Open.

#63259 In Microsoft/TypeScript;

· ChromeQ opened on Mar 18, 2026

Mechanism to specify input source location to find package.json instead of output source location when determining module format

Needs ProposalThis issue needs a plan that clarifies the finer details of how it could be implemented.This issue needs a plan that clarifies the finer details of how it could be implemented.

SuggestionAn idea for TypeScriptAn idea for TypeScript

Status: Open.

#63251 In Microsoft/TypeScript;

· monsanto opened on Mar 14, 2026

Bloomberg feedback for 6.0

DiscussionIssues which may not have code impactIssues which may not have code impact

Status: Open.

#63245 In Microsoft/TypeScript;

· dragomirtitian opened on Mar 12, 2026