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DuplicateAn existing issue was already createdAn existing issue was already created

Status: Open.

#63247 In microsoft/TypeScript;

· angelgsbrielruano opened on Mar 13, 2026

Bloomberg feedback for 6.0

Status: Open.

#63245 In microsoft/TypeScript;

· dragomirtitian opened on Mar 12, 2026

bug(lib): Explicitly stating wrong return type of Promise.then without arguments results in no error

Status: Open.

#63244 In microsoft/TypeScript;

· iluha168 opened on Mar 12, 2026

PromiseRejectedResut reason should be unknown

Status: Open.

#63243 In microsoft/TypeScript;

· karlismelderis-mckinsey opened on Mar 12, 2026

04bea1e3cdab4cad52569b7995071a08ec267b12ضبط

Status: Open.

#63242 In microsoft/TypeScript;

· asd585140-glitch opened on Mar 12, 2026

دمج

Status: Open.

#63241 In microsoft/TypeScript;

· asd585140-glitch opened on Mar 11, 2026

Error from exactOptionalPropertyTypes not reported when using object spread with a ternary and optional property acces

Status: Open.

#63240 In microsoft/TypeScript;

· aswinsvijay opened on Mar 11, 2026

Compiler crash: Debug Failure in visitEachChildOfIndexSignatureDeclaration

BugA bug in TypeScriptA bug in TypeScript

Status: Open.

#63230 In microsoft/TypeScript;

· juanjh1 opened on Mar 10, 2026

·  

Backlog

Inference from result of generic function no longer produces a union

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

Status: Open.

#63227 In microsoft/TypeScript;

· dragomirtitian opened on Mar 10, 2026

Omit causes function to lose contextual typing

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

Status: Open.

#63225 In microsoft/TypeScript;

· dragomirtitian opened on Mar 9, 2026

Toggling isolatedModules in tsconfig.json while running the compiler in watch mode, doesn't re-emit const enums, unlike toggling preserveConstEnums, which does

BugA bug in TypeScriptA bug in TypeScript

Status: Open.

#63223 In microsoft/TypeScript;

· rotemdan opened on Mar 8, 2026

·  

Backlog

Allow primitive LHS to instanceof operator if RHS is a custom hasInstance

Awaiting More FeedbackThis means we'd like to hear from more people who would be helped by this featureThis means we'd like to hear from more people who would be helped by this feature

SuggestionAn idea for TypeScriptAn idea for TypeScript

Status: Open.

#63219 In microsoft/TypeScript;

· xuld opened on Mar 7, 2026