Today we’re happy to announce the release of TypeScript 1.5. This release took an alpha, a beta, and your help to get here. It’s a big one, so let’s get started! TypeScript 1.5 is part of the newly released Visual Studio 2015. You can also get a separate download for Visual Studio 2013, npm, and straight from GitHub. ES6 support TypeScript 1.5 – closing the gap on Kangax ES6 support TypeScript