TypeScript Blog
www.typescriptlang.org/
Progress on TypeScript 7 – December 2025
Earlier this year, the TypeScript team announced that we’ve been porting the compiler and language service to native code to take advantage of better raw performance, memory usage, and parallelism. This effort (codenamed “Project Corsa”, and soon “TypeScript 7.0”) has been a significant undertaking, but we’ve made big strides in the past few months. We’re […]
Announcing TypeScript 5.9
Today we are excited to announce the release of TypeScript 5.9! If you’re not familiar with TypeScript, it’s a language that builds on JavaScript by adding syntax for types. With types, TypeScript makes it possible to check your code to avoid bugs ahead of time. The TypeScript type-checker does all this, and is also the […]
Announcing TypeScript 5.9 RC
Today we are excited to announce the Release Candidate (RC) of TypeScript 5.9! To get started using the Release Candidate, you can get it through npm with the following command: npm install -D typescript@rc Let’s take a look at what’s new in TypeScript 5.9! Minimal and Updated tsc --init Support for import defer Support for […]
Announcing TypeScript 5.9 Beta
Today we are excited to announce the availability of TypeScript 5.9 Beta. To get started using the beta, you can get it through npm with the following command: npm install -D typescript@beta Let’s take a look at what’s new in TypeScript 5.9! Minimal and Updated tsc --init Support for import defer Support for --module node20 […]
Announcing TypeScript Native Previews
Previews of the native TypeScript port are now available on npm and for VS Code through the Visual Studio Marketplace!