Microsoft has released TypeScript 5.9, featuring 'import defer' for better performance, an improved developer experience, and ...

The new TypeScript version reduces the tsconfig.json files to the essentials and supports deferring module evaluation and ...

Deferred module evaluation imports a module without immediately executing the module and its dependencies, avoiding ...

By David Ramel 03/11/2025 Microsoft is revamping its TypeScript programming language with a native compiler and toolset. This effort seeks to address performance challenges, especially in large ...

The JavaScript-based TypeScript takes 77.8 seconds to compile the VS Code codebase, whereas the native implementation takes 7.5 seconds, which is a 10x improvement.

Microsoft plans to release a preview version with command line type checking by mid-2025, and a full compiler including project builds as TypeScript 7.0 by the end of 2025.