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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 Announces TypeScript 7.0 Featuring a 10x Faster Native Compiler Engine

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 ↗

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Comparison

AspectBefore / AlternativeAfter / This
Compiler architectureJavaScript-based compiler engineNative port compiler engine
Build performanceStandard compilation speedUp to 10x faster execution