TypeScript 7.1 Beta has been released, featuring a new stabilized programmatic API that enables tools like Volar, Svelte language service, and typescript-eslint to transition to the faster Go-based compiler. This new version introduces a content-mapper plugin point that allows integration between TypeScript and various frameworks, including Vue, Svelte, Astro, and MDX, enhancing editor features such as diagnostics and autocomplete. While the beta is now available for installation, many third-party tools will need to update for compatibility before teams can fully upgrade. The stable version is expected to launch on November 24, 2023, with significant improvements in performance and new ECMAScript features included

TypeScript 7.1 Beta Released: New API Unblocks Vue, Svelte, and Angular Tooling

TypeScript 7.1 shipped its beta today, stabilizing the programmatic API that Microsoft deliberately left out of the July 2026 Go rewrite. That missing interface had locked tools like Volar, the Svelte language service, and typescript-eslint into TypeScript 6.0, and 7.1 finally lets them move onto the faster native compiler. A new content-mapper plugin point is the real headline, giving Vue, Svelte, Astro, and MDX ecosystems a clean way to connect to TypeScript's language services instead of patching around it. The RC lands November 10 with stable coming November 24, though downstream tools will each need their own compatibility updates before most teams drop TypeScript 6.

TypeScript 7.1 Beta Released: New API Unblocks Vue, Svelte, and Angular Tooling @ NT Compatible