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Module resolution: ambient JSON wildcard module doesn't override <code>resolveJsonModule</code> typing

Status: Open.

#62924 In Microsoft/TypeScript;

· niedzielski opened on Dec 23, 2025

Crash: Debug Failure. type must be class or interface in getBaseTypes triggered by invalid optional rest parameter in Constructor type

Status: Open.

#62921 In Microsoft/TypeScript;

· na7ure-a opened on Dec 22, 2025

Crash: TypeError: Cannot read properties of undefined (reading 'kind') in checkPropertyAccessibility when using abstract in Class Expression

BugA bug in TypeScriptA bug in TypeScript

CrashFor flagging bugs which are compiler or service crashes or unclean exits, rather than bad outputFor flagging bugs which are compiler or service crashes or unclean exits, rather than bad output

Status: Open.

#62920 In Microsoft/TypeScript;

· na7ure-a opened on Dec 22, 2025

Feature: Const-literal typing for import-attribute imports

Status: Open.

#62919 In Microsoft/TypeScript;

· sinclairzx81 opened on Dec 22, 2025

Passing <code>this</code> from a constructor before all fields are set introduces <code>undefined</code>s in some cases

Status: Open.

#62917 In Microsoft/TypeScript;

· Taureon opened on Dec 21, 2025

[help] tsc "ignoreDeprecations": "6.0"

Status: Open.

#62916 In Microsoft/TypeScript;

· cinast opened on Dec 21, 2025

Document that compiler.extends can be an array

Status: Open.

#62915 In Microsoft/TypeScript;

· aryzing opened on Dec 20, 2025

Incorrect rename refactoring in object destructuring

Status: Open.

#62913 In Microsoft/TypeScript;

· dbaeumer opened on Dec 19, 2025

<code>as</code> type assertion fails for <code>ReadonlyArray&lt;T&gt;</code> but succeeds for <code>T[]</code> with identical object literal

Status: Open.

#62910 In Microsoft/TypeScript;

· raymondwang opened on Dec 18, 2025

Incorrect type narrowing with async/await

Status: Open.

#62908 In Microsoft/TypeScript;

· RareScrap opened on Dec 18, 2025

Spreading object with optional property causes incorrect type inference when <code>exactOptionalPropertyTypes = false</code>

Status: Open.

#62906 In Microsoft/TypeScript;

· ptandler opened on Dec 17, 2025

Provide a new, simple 'browser' moduleResolution mode for Browser, ESM-based, non-bundled projects.

Status: Open.

#62905 In Microsoft/TypeScript;

· freshp86 opened on Dec 17, 2025