Microsoft is rolling out a second tech preview of Visual Studio 2013 Update 2 on February 25, one with support for its new TypeScript language and tooling built in. Visual Studio 2013 Update 2 Community Technology Preview (CTP) 2 includes the near-final release candidate of TypeScript 1.0 “in the box.” TypeScript, a three-plus year-old Microsoft project, is all about creating a typed “superset” of the JavaScript scripting language for large-scale projects.