TypeScript 1.8.6 is now available for download

Microsoft has released TypeScript 1.8.6 and is available for download from Microsoft Download Center. This release includes a number of bug fixes and general improvements.

Overview
TypeScript is a language for application-scale JavaScript. TypeScript adds optional types, classes, and modules to JavaScript. TypeScript supports tools for large-scale JavaScript applications for any browser, for any host, on any OS. TypeScript compiles to clean, readable, standards-based JavaScript. Try it out at TypeScript Playground.

Full details about changes that are in this version of TypeScript are available at: Announcing website.

Download TypeScript 1.8.x
TypeScript 1.8 is available for Visual Studio 2015, Visual Studio 2013, NuGet (Compiler and MSBuild task), npm, and available for download from Microsoft Download Center. For the download links see:

For instructions on using TypeScript, see the TypeScript tutorial. The source code for the compiler is available at https://github.com/Microsoft/TypeScript.

What's new in TypeScript 1.8
There are quite a lot of changes coming in the 1.8 release. With TypeScript 1.8 it becomes possible for a type parameter constraint to reference type parameters from the same type parameter list. Previously this was an error. This capability is usually referred to as F-Bounded Polymorphism. For full list of new features and improvements, please visit the what's new in TypeScript 1.8 page.

What's new in TypeScript 1.8.5
This release includes the following fixes:
  • Performance problem with --declaration --noEmitOnError and --outFile.
  • Invalid this reference inside arrow function.
  • File paths in tsconfig exclude are not respected in MSBuild projects.

References:
Announcing TypeScript 1.8

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