Microsoft Announces TypeScript 7.0 Featuring a 10x Faster Native Compiler Engine
Microsoft has announced TypeScript 7.0, introducing a native port of the compiler designed to deliver up to 10x faster performance. The release focuses on significantly reducing build times and improving tooling scalability for large codebases.

Microsoft has officially announced the availability of TypeScript 7.0, marking a major milestone in the project's evolution. The headline feature of this major release is a native port of the TypeScript compiler engine, which yields up to ten times faster type-checking and build performance compared to previous JavaScript-based implementations. This overhaul addresses long-standing compilation bottlenecks in enterprise-scale codebases.
Primary source
Open TypeScript Blog ↗This article summarizes the source. Check the original for full details and conditions.
Comparison
| Aspect | Before / Alternative | After / This |
|---|---|---|
| Compiler architecture | JavaScript-based compiler engine | Native port compiler engine |
| Build performance | Standard compilation speed | Up to 10x faster execution |


