TypeScript

Announcing TypeScript 5.9 - TypeScript 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 mak...

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...

Announcing TypeScript 5.9 RC - TypeScript 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 typescr...

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...

Announcing TypeScript 5.9 Beta - TypeScript 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 tak...

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.

Announcing TypeScript Native Previews - TypeScript Previews of the native TypeScript port are now available on npm and for VS Code through the Visual Studio Marketplace!

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!

Join the TypeScript Community Discord Server! The official community for TypeScript. Active help channels, type experts and more. Join now! | 49993 members

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

YouTube video by Microsoft Developer A 10x faster TypeScript

Watch Anders Hejlsberg demo the incredible progress so far! www.youtube.com/watch?v=pNlq...

A 10x Faster TypeScript - TypeScript Embarking on a native port of the existing TypeScript compiler and toolset to achieve a 10x performance speed-up.

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...

Announcing TypeScript 5.8 - TypeScript Today we’re excited to announce the release of TypeScript 5.8! If you’re not familiar with TypeScript, it’s a language that builds on top of JavaScript by adding syntax for types. Writing types in our...

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...

Announcing TypeScript 5.8 RC - TypeScript Today we are excited to announce the Release Candidate (RC) of TypeScript 5.8! To get started using the Release Candidate, you can get it through npm with the following command: npm install -D typescr...

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...

Announcing TypeScript 5.8 Beta - TypeScript Today we are excited to announce the availability of TypeScript 5.8 Beta. To get started using the beta, you can get it through npm with the following command: npm install -D typescript@beta Let’s tak...

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...

Announcing TypeScript 5.7 - TypeScript Today we excited to announce the availability of TypeScript 5.7! If you’re not familiar with TypeScript, it’s a language that builds on JavaScript by adding syntax for type declarations and annotation...

📢 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...

Announcing TypeScript 5.7 RC - TypeScript Today we are announcing the availability of the release candidate of TypeScript 5.7. To get started using the RC, you can get it through npm with the following command: npm install -D typescript@rc Le...

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...

Announcing TypeScript 5.7 Beta - TypeScript Today we are announcing the availability of TypeScript 5.7 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 ...

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

Announcing TypeScript 5.6 - TypeScript Today we’re excited to announce the release of TypeScript 5.6! If you’re not familiar with TypeScript, it’s a language that builds on top of JavaScript by adding syntax for types. Types describe the s...

🚀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...

Announcing TypeScript 5.6 RC - TypeScript Today we are excited to announce the availability of the release candidate of TypeScript 5.6. To get started using the RC, you can get it through npm with the following command: npm install -D typescr...

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...

Announcing TypeScript 5.6 Beta - TypeScript Today we are excited to announce the availability of TypeScript 5.6 Beta. To get started using the beta, you can get it through NuGet, or through npm with the following command: npm install -D typescr...

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...

Announcing TypeScript 5.5 - TypeScript Today we’re excited to announce the release of TypeScript 5.5! If you’re not familiar with TypeScript, it’s a language that builds on top of JavaScript by making it possible to declare and describe ty...

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...

Announcing TypeScript 5.5 RC - TypeScript Today we are excited to announce the availability of the release candidate of TypeScript 5.5. To get started using the RC, you can get it through NuGet, or through npm with the following command: npm ...

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 - TypeScript Today we are excited to announce the availability of TypeScript 5.5 Beta. To get started using the beta, you can get it through NuGet, or through npm with the following command: npm install -D typescr...

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!

Announcing TypeScript 5.4 RC - TypeScript Today we’re excited to announce our Release Candidate of TypeScript 5.4! Between now and the stable release of TypeScript 5.4, we expect no further changes apart from critical bug fixes. To get starte...

The release candidate of TypeScript 5.4 is now ready to download!

Read up on what's coming in TypeScript 5.4 👀

Announcing TypeScript 5.4 Beta - TypeScript Today we are excited to announce the availability of TypeScript 5.4 Beta. To get started using the beta, you can get it through NuGet, or through npm with the following command: npm install -D typescr...

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...

Announcing TypeScript 5.3 - TypeScript Today we’re excited to announce the release of TypeScript 5.3! If you’re not familiar with TypeScript, it’s a language that adds type syntax to JavaScript to bring type-checking. Type-checking c...

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...

Announcing TypeScript 5.3 RC - TypeScript Today we’re excited to announce our Release Candidate of TypeScript 5.3! Between now and the stable release of TypeScript 5.3, we expect no further changes apart from critical bug fixes. To get star...

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...

Announcing TypeScript 5.3 Beta - 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 typescr...

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!

Announcing TypeScript 5.2 - TypeScript Today we’re excited to announce the release of TypeScript 5.2! If you’re not familiar with TypeScript, it’s a language that builds on top of JavaScript by making it possible to declare and descr...

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!

Announcing TypeScript 5.2 RC - TypeScript Today we’re excited to announce our Release Candidate of TypeScript 5.2! Between now and the stable release of TypeScript 5.2, we expect no further changes apart from critical bug fixes. To get star...

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!

Announcing TypeScript 5.2 Beta - TypeScript Today we are excited to announce the availability of TypeScript 5.2 Beta. To get started using the beta, you can get it through NuGet, or through npm with the following command: npm install -D typescr...

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!