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 describe types. Writing types in our code allows us to explain intent and have other tools check our code to catch mistakes like typos, issues with null and undefined, and more. Types also power TypeScript’s edi

Today we’re excited to announce our beta release of TypeScript 5.0! This release brings many new features, while aiming to make TypeScript, smaller, simpler, and faster. We’ve implemented the new decorators standard, functionality to better support ESM projects in Node and bundlers, new ways for library authors to control generic inference, expanded our JSDoc functionality, simplified configuratio

Today we’re excited to announce the release of TypeScript 4.5! If you’re not yet familiar with TypeScript, it’s a language that builds on JavaScript by adding statically checked types. When you use static types, you can run the TypeScript compiler to check for bugs like typos and mismatches in the shapes of your data, and get handy suggestions. These types don’t change your program, and you can re

Today we’re excited to announce our Release Candidate (RC) of TypeScript 4.5! Between now and the stable release of TypeScript 4.5, 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 Downloading for Visual Studio 2019/2017 Trying Visual Studio Code Insiders 

Today we are excited to announce the beta release of TypeScript 4.4! 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 Downloading for Visual Studio 2019/2017 Following directions for Visual Studio Code and Sublime Text 3. Some major highlights of TypeScript 4.4 are: Control Flow Analysis of Aliased Conditions Sym

Today we’re excited to announce our Beta of TypeScript 4.3! 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 Downloading for Visual Studio 2019/2017 Following directions for Visual Studio Code and Sublime Text. Let’s dive in to what TypeScript 4.3 brings! Separate Write Types on Properties In JavaScript, it’s pre

Today we’re announcing the availability of TypeScript 4.1 Beta! 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 Downloading for Visual Studio 2019/2017 Following directions for Visual Studio Code and Sublime Text. For this release, we have some exciting new features, new checking flags, editor productivity updat

Today we’re excited to announce something special for Babel users.Over a year ago, we set out to find what the biggest difficulties users were running into with TypeScript, and we found that a common theme among Babel users was that trying to get TypeScript set up was just too hard. The reasons often varied, but for a lot of developers, rewiring a build that’s already working can be a daunting tas