Search results

Experimental TypeScript fork with operator overloading and overload dispatch—documenting a working implementation

Status: Open.

#62584 In microsoft/TypeScript;

· adrianstephens opened on Oct 10, 2025

Design Meeting Notes, 9/9/2025

Design NotesNotes from our design meetingsNotes from our design meetings

Status: Open.

#62583 In microsoft/TypeScript;

· DanielRosenwasser opened on Oct 10, 2025

The <code>@ts-ignore</code> vs. <code>@ts-expect-error</code> Dilemma: Missing a Warning-Only Redundancy Check

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.

#62579 In microsoft/TypeScript;

· bent0b0x opened on Oct 10, 2025

Since 5.0, the function parseJsonConfigFileContent is no longer built-in in _tsc.js

ExternalRelates to another program, environment, or user action which we cannot control.Relates to another program, environment, or user action which we cannot control.

Status: Open.

#62577 In microsoft/TypeScript;

· Imgodmaoyouknow opened on Oct 10, 2025

Array.from(it: Iterable&lt;X&gt; | Iterable&lt;Y&gt;) fails; […it] works but returns Array&lt;X | Y&gt;; both should return Array&lt;X&gt; | Array&lt;Y&gt;

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.

#62576 In microsoft/TypeScript;

· gormster opened on Oct 10, 2025

Destructuring all but one key dynamically via rest creates an unusable type by omitting all of its keys

Experimentation NeededSomeone needs to try this out to see what happensSomeone needs to try this out to see what happens

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.

#62572 In microsoft/TypeScript;

· branson-dyer opened on Oct 9, 2025

· 

Backlog

.tsbuildinfo not ignored when incremental is false.

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

Status: Open.

#62565 In microsoft/TypeScript;

· Tezra opened on Oct 8, 2025

Two consecutive variadic elements in the middle part of tuple type can't be recognized

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

Status: Open.

#62561 In microsoft/TypeScript;

· olegdunkan opened on Oct 8, 2025

TS2742 “The inferred type of 'default' cannot be named” with ESLint <code>defineConfig</code>

Help WantedYou can do thisYou can do this

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.

#62558 In microsoft/TypeScript;

· andersk opened on Oct 7, 2025

· 

Backlog

<code>ts-ignore</code>: Allow specifying maximum typescript version

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.

#62555 In microsoft/TypeScript;

· jtannas opened on Oct 6, 2025

Convert to optional chain expression action creates incorrect code

BugA bug in TypeScriptA bug in TypeScript

Domain: Refactoringse.g. extract to constant or function, rename symbole.g. extract to constant or function, rename symbol

Status: Open.

#62553 In microsoft/TypeScript;

· rubiesonthesky opened on Oct 6, 2025

Incorrect report of self-referencing type for static fields

Help WantedYou can do thisYou can do this

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.

#62552 In microsoft/TypeScript;

· boris-kolar opened on Oct 6, 2025

· 

Backlog