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TypeScript 7.0 shipped July 8, 2026 as a native Go port of the compiler and language service. Here is what changed - performance, new parallelism flags, new tsconfig defaults, removed legacy options, and the day-one API caveat that blocks Vue, Astro, Svelte, and Angular templates.

A short and clear look at what the version 7 of TypeScript, which is writte in Go, is shaping up to deliver and why it matters for everyday developers

Discover TypeScript 5.9 new features including import defer, thinner tsconfig.json, better DOM API summaries, expandable tooltips, and performance optimizations. Learn about breaking changes and how to upgrade safely.