🔗 Announcing TypeScript 5.3 Beta

frontend reading-list typescript

Today we are excited to announce the availability of TypeScript 5.3 Beta.

To get started using the beta, you can get it through NuGet, or through npm with the following command:
npm install -D typescript@beta
Here's a quick list of what's new in TypeScript 5.3!

Import Attributes

Stable Support resolution-mode in Import Types

switch (true) Narrowing

Narrowing On Comparisons to Booleans

instanceof Narrowing Through Symbol.hasInstance

Checks for super Property Accesses on Instance Fields

Interactive Inlay Hints for Types

Optimizations by Skipping JSDoc Parsing

Optimizations by Comparing Non-Normalized Intersections

Consolidation Between tsserverlibrary.js and typescript.js

Breaking Changes and Correctness Improvements

continue reading on devblogs.microsoft.com

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