Today is TypeScript's birthday! But this birthday is a special one - 10 years ago today, on October 1st, 2012, TypeScript was unveiled publicly for the first time. The Early Days When TypeScript first debuted, there was a lot of skepticism - and understandably so. To some JavaScript users, a team trying to bring static types to JavaScript might...

Today we're announcing our beta release of TypeScript 4.9! To get started using the beta, you can get it through NuGet, or- use npm with the following command: You can also get editor support by Here's a quick list of what's new in TypeScript 4.9! The Operator TypeScript developers are often faced with a dilemma: we w...

Today we're excited to announce the release of TypeScript 4.8! If you're not yet familiar with TypeScript, it's a language that builds on JavaScript and adds syntax for types. These types let you put your expectations and assumptions into your code, and those assumptions can then be checked by the TypeScript type-checker. This checking can help ...

Today we're excited to announce our Release Candidate (RC) of TypeScript 4.8. Between now and the stable release of TypeScript 4.8, we expect no further changes apart from critical bug fixes. To get started using the RC, you can get it through NuGet, or use npm with the following command: You can also get editor support by Here's a qu...

Today we're announcing our beta release of TypeScript 4.8! To get started using the beta, you can get it through NuGet, or- use npm with the following command: You can also get editor support by Here's a quick list of what's new in TypeScript 4.8! Improved Intersection Reduction, Union Compatibility, and Narrowing...

Today we're excited to announce the availability of TypeScript 4.7! If you're not yet familiar with TypeScript, it's a language that builds on JavaScript and adds syntax for types. Types help describe what kinds of values you're working with and what kinds of functions you're calling. TypeScript can use this information to help you avoid about m...

Today we're excited to announce our Release Candidate (RC) of TypeScript 4.7! Between now and the stable release of TypeScript 4.7, we expect no further changes apart from critical bug fixes. To get started using the RC, you can get it through NuGet, or use npm with the following command: You can also get editor support by Here's a qu...

Today we are excited to announce the beta release of TypeScript 4.7! To get started using the beta, you can use npm with the following command: You can also get editor support by Here's a quick list of what's new in TypeScript 4.7! ECMAScript Module Support in Node.js For the last few years, Node.js ha...

Today we're excited to announce our support and collaboration on a new Stage 0 proposal to bring optional and erasable type syntax to JavaScript. Because this new syntax wouldn't change how surrounding code runs, it would effectively act as comments. We think this has the potential to make TypeScript easier and faster to use for development at ...

Today we're announcing the availability of TypeScript 4.6. If you're not yet familiar with TypeScript, it's a language that builds on JavaScript and adds syntax for types. Types help describe what kinds of values you're working with and what kinds of functions you're calling. TypeScript can use this information to help you avoid about mistakes l...