TypeScript 7.0 Blocks Angular, Vue and ESLint Upgrades Until TS 7.1 in 2026

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Microsoft released TypeScript 7.0 featuring a new native compiler engine (tsgo) promising up to 12x faster build speeds. However, major frontend frameworks including Angular 22, Vue, Svelte, and ESLint cannot yet adopt it due to hard peer dependency conflicts that break builds. The core issue is that TS 7.0 does not yet expose a stable Programmatic Compiler API, which these frameworks rely on for custom AST transformations. TypeScript 7.1, tracked under Microsoft's GitHub iteration plan, is designed to resolve this by providing stable API access and framework alignment. Microsoft and framework maintainers are collaborating on the spec, with TypeScript 7.1 targeted for release in Autumn 2026.

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ProgrammingDEV Community ·

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