TypeScript 7 in WebStorm: Faster Coding Assistance for Angular and React, No Migration Required - The JetBrains Blog

WebStorm 2026.2.2 provides stable support for TypeScript 7’s Go-based language engine, offering faster coding assistance for Angular and React projects without requiring teams to upgrade the TypeScript version used by their project infrastructure. The new engine replaces the previous Node.js language service and is reported by Microsoft to compile up to ten times faster; WebStorm testing on the Kibana codebase reduced project load time from about 12 seconds to 3 seconds. Angular support is enabled through WebStorm’s Kotlin-based template transpiler and adapted Volar source-mapping infrastructure, allowing assistance in inline templates despite current limitations in TypeScript-Go content mappers and the Angular compiler’s lack of native TypeScript 7 support. React support is stable and available by selecting TypeScript 7 in WebStorm preferences, while Vue support remains under development as JetBrains evaluates whether to use official content mappers or a Kotlin-based transpiler solution.

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