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es2025 is not a valid enum option for jsconfig.json's compilerOptions.target enum

Status: Open.

#63379 In microsoft/TypeScript;

· Abrifq opened on Apr 9, 2026

Object properties are inferred in the wrong order: should infer properties with NoInfer<T> AFTER properties with T

Status: Open.

#63378 In microsoft/TypeScript;

· denis-migdal opened on Apr 9, 2026

TS doesn't properly infer generic callback <T>(x: X<T>) => T when providing (x) => new T() (parameter defined without type)

Status: Open.

#63377 In microsoft/TypeScript;

· denis-migdal opened on Apr 9, 2026

TS2589 regression in 6.0: implements without type parameters causes excessive type instantiation when property uses concrete generic type

Status: Open.

#63376 In microsoft/TypeScript;

· julienw opened on Apr 8, 2026

tsserver hangs in Yarn PnP projects — incorrect directory watcher due to unchecked indexOf returning -1

Status: Open.

#63373 In microsoft/TypeScript;

· sebaspf opened on Apr 7, 2026

Add a redeclare keyword to redeclare class attributes, behaving like override !: while keeping type modifiers.

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.

#63370 In microsoft/TypeScript;

· denis-migdal opened on Apr 7, 2026

Stuck in initialization loop on v1.114 w/ TS 5, also on v1.113 w/ TS 6

Needs More InfoThe issue still hasn't been fully clarifiedThe issue still hasn't been fully clarified

Status: Open.

#63367 In microsoft/TypeScript;

· NullVoxPopuli opened on Apr 6, 2026

Inside a generic function with a remapped type as parameter, elements are wrongfully inferred as {}.

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

Status: Open.

#63363 In microsoft/TypeScript;

· denis-migdal opened on Apr 6, 2026

·  

Dormant

TSX error location error with location and JSX comment

BugA bug in TypeScriptA bug in TypeScript

Domain: JSX/TSXRelates to the JSX parser and emitterRelates to the JSX parser and emitter

Status: Open.

#63358 In microsoft/TypeScript;

· RobertSandiford opened on Apr 6, 2026

·  

Backlog

Error on function return is less useful than it should be

Domain: check: Contextual TypesThe issue relates to contextual typesThe issue relates to contextual types

Possible ImprovementThe current behavior isn't wrong, but it's possible to see that it might be better in some casesThe current behavior isn't wrong, but it's possible to see that it might be better in some cases

Status: Open.

#63357 In microsoft/TypeScript;

· pfgithub opened on Apr 5, 2026

·  

Dormant

Trivial: typo

BugA bug in TypeScriptA bug in TypeScript

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

Status: Open.

#63352 In microsoft/TypeScript;

· tomhamiltonlambda opened on Apr 4, 2026

·  

Backlog

Experimental (deprecated) decorators are included by default

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

Status: Open.

#63346 In microsoft/TypeScript;

· OldStarchy opened on Apr 3, 2026