A much more performant TypeScript is now available in the new Visual Studio 2026 Insiders build, capitalizing on speed gains achieved by porting the language compiler ...

Microsoft has released the beta version for TypeScript 6.0, the last release with the current JavaScript codebase. From version 7.0 onwards, the compiler and the language service will be written in Go ...

TypeScript 6.0 is intended to be the last release based on the current JavaScript codebase, before a Go-based compiler and language service debuts in TypeScript 7.0.