TypeScript 5.9 is now available! 📣 This release brings: ✅ An updated tsc --init ✅ Type-checking for the new 'import defer' ✅ Actual summaries in more DOM APIs ✅ Expandable quick info hovers (✨preview✨) and more! Read up more on our blog: devblogs.microsoft.com/typescript/a...

TypeScript 5.9 RC is available to try! Let us know how it works before next week's stable release! devblogs.microsoft.com/typescript/a...

TypeScript 5.9 Beta just went out! Try it in your project and let us know what you think: devblogs.microsoft.com/typescript/a...

Slack now runs the new Go-powered @typescriptlang.org checker in CI. Using the tool saves us over 5 minutes per run, meaning faster merges and happier developers. Huge thanks to Anders, @jakebailey.dev, and everyone else on the project for the incredible performance gains.

Today we're announcing previews of the native port of TypeScript! These nightly previews will be available on npm and the VS Code marketplace! npm install -D @​typescript/native-preview npx tsgo --version Read up more on our blog!

Finally reviving my blog! Wrote a few thousand words about one of the most notorious bugs we encountered when porting tsc to Go: accidental variable shadowing. It's a pleasure to write go/analysis passes, and I was really happy with the results of my shadow analyzer. Please enjoy the CFG diagrams!

Starting soon! 📢 We've got a TypeScript AMA starting in just a few minutes (10am Pacific) on the TypeScript Discord! discord.gg/typescript

🚨 Announcing the new @typescriptlang.org compiler: native and 10× Faster and written in @golang.org

Today we're thrilled to announce our effort to port the TypeScript compiler and language service to native code, gaining a 10x speed boost in build times and editor responsiveness! devblogs.microsoft.com/typescript/t...

TypeScript 5.8 is now out, with ✅ Better Checks on return expressions ✅ Support for require(esm) in --module nodenext ✅ --libReplacement to speed up program loading ✅ --erasableSyntaxOnly and more! Try it today! devblogs.microsoft.com/typescript/a...

The release candidate (RC) for TypeScript 5.8 is now published! Read up more on our release notes and try it today! devblogs.microsoft.com/typescript/a...

We just released the beta for TypeScript 5.8! This release brings support for Node.js' require(ESM), smarter/safer checks for functions using advanced types, a few great optimizations for editor scenarios, and more. Give it a try! devblogs.microsoft.com/typescript/a...

📢 TypeScript 5.7 is here! Now with ✅ Better checks for uninitialized variables ✅ Smarter tsconfig lookup in editors ✅ Improved startup time ✅ Stricter checks for JSON imports ✅ Extension rewrites for relative imports and more! Try it today! devblogs.microsoft.com/typescript/a...

We just published the release candidate of TypeScript 5.7! Give it a shot and let us know what you think! devblogs.microsoft.com/typescript/a...

TypeScript 5.7 beta is now available to try! Read up on what's new today! devblogs.microsoft.com/typescript/a...

🚀TypeScript 5.6 is now available! 🚀 Now with ✅ New syntactic nullish/truthy checks ✅ Iterator helper methods & strictness checks ✅ Region-prioritized checking in editors ✅ Flexible --build behavior and more! Try it today! devblogs.microsoft.com/typescript/a...

The release candidate for TypeScript 5.6 is now available for testing! Give it a try today for more new checks, ways to speed-up your builds, new JS features, and more! devblogs.microsoft.com/typescript/a...

TypeScript 5.6 Beta is now out with ✔️ Errors on Suspicious Truthy/Nullish Checks ✔️ Iterator Methods like `.map()` and `.filter()` ✔️ Error-Tolerant --build Mode ✔️ --noCheck ✔️ Type-Checking Prioritized by Editor Viewports and more! Try it today! devblogs.microsoft.com/typescript/a...

TypeScript 5.5 is now available! 🎉✨ Now with ✅ Inferred Type Predicates ✅ RegEx syntax checks ✅ The JSDoc @‍import Tag ✅ ${configDir} for easier tsconfig inheritance ✅ --isolatedDeclarations ✅ Lots of new optimizations And more! Try it today! devblogs.microsoft.com/typescript/a...

TypeScript 5.5 RC is now out to try! We're looking for feedback on inferred type predicates, JSDoc imports, regex checking, ${configDir}, isolatedDeclarations, build optimizations, and more! devblogs.microsoft.com/typescript/a...

Announcing TypeScript 5.5 Beta! 📣 Now with type predicate inference, more type narrowing, an @‍import tag for JSDoc, the --isolatedDeclarations flag, performance & reliability improvements, and much more!

The release candidate of TypeScript 5.4 is now ready to download! Read up on what's coming in TypeScript 5.4 👀

TypeScript 5.4 Beta is available to try! This release has lots of type narrowing improvements, the 'NoInfer' type helper, groupBy, better options for bundlers, and more! devblogs.microsoft.com/typescript/a...

Today we released TypeScript 5.3! Now bringing: - new narrowing improvements - more correctness checks - import attributes - handy new editor features - lots of optimizations and lots more! So try it today! devblogs.microsoft.com/typescript/a...

The release candidate of TypeScript 5.3 is out - we're looking for feedback to make sure this release is as perfect as possible! devblogs.microsoft.com/typescript/a...

TypeScript 5.3 beta just went out! Now slimmer and faster, with lots of new narrowing improvements, correctness checks, features like import attributes, and more - so try it out now!

TypeScript 5.2 is now here! 🎉 Now faster with - 'using' & explicit resource management - decorator metadata - easier tuple type notation - better object completions - the inline variable refactor - clickable inlay parameter hints and more! Try it today!

The Release Candidate of TypeScript 5.2 is now out to try! Test it out and let us know if you run into any issues!

We just released TypeScript 5.2 Beta! Check out - 'using' Declarations - Decorator Metadata - Easier Tuple Type Notation - Inline Variable Refactoring - Comma Completions in Objects and more! Try it today!

TypeScript 5.1 is now out! Now with - smarter checks for undefined-returning functions - no restrictions between getter/setter types - better checks for JSX tags - linked editing for JSX - new speed-ups Read up more on our blog!

Hello World!