TypeScript 7.0 Migration Guide: Performance, Compatibility, and Upgrade Steps
TL;DR: TypeScript 7.0 introduces a native compiler written in Go, with Microsoft’s benchmarks reporting 7.7× to 11.9× faster full builds across five selected projects. This guide covers compiler API compatibility, framework and editor support, tsconfig.json changes, and practical benchmarking steps to help you evaluate the upgrade for your project. Slow TypeScript builds can delay development,…








