The new release is available for Visual Studio “14” CTP4, Visual Studio 2013, and npm, as well as a source release. TypeScript 1.1 is a full compiler rewrite that aims to be lightweight and fast. Microsoft claims that the new compiler brings a 4x performance improvement over version 1.0.2, as per the benchmark results shown in the picture below. Furthermore, the new release also lays the groundwork for future language features. Continue reading this story here.