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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

erasableSyntaxOnly: support commonjs require/exports in .cts files

Status: Open.

#62903 In Microsoft/TypeScript;

· Knagis opened on Dec 16, 2025

"This import path is unsafe to rewrite because it resolves to another project" missing an error location

Status: Open.

Bug

#62436 In Microsoft/TypeScript;

· andrewbranch opened on Sep 11, 2025

Bug in VSCode and Typescript - TSServer exited. Code: null. Signal: SIGTERM - Even on empty project while tsc build works

Status: Open.

#62337 In Microsoft/TypeScript;

· eliezra236 opened on Aug 26, 2025

"used before being assigned" fires on LHS inside parens/type assertion

Status: Open.

#62127 In Microsoft/TypeScript;

· jakebailey opened on Jul 25, 2025

Some of the semantic diagnostics use fileName and not relative file name as part of semantic diagnostics and it makes tsbuildinfo unportable

Status: Open.

#59851 In Microsoft/TypeScript;

· sheetalkamat opened on Sep 4, 2024

⚡ Performance: Project service doesn't cache all fs.realpath

Status: Open.

#59342 In Microsoft/TypeScript;

· JoshuaKGoldberg opened on Jul 18, 2024

⚡ Performance: Project service doesn't cache all fs.statSync

Status: Open.

#59338 In Microsoft/TypeScript;

· JoshuaKGoldberg opened on Jul 17, 2024