21CTO

Jun 14, 2026 · Frontend Development

How React Compiler’s Rust Port Boosts Build Speed Up to 10× with AI‑Assisted Code Migration

The React team fully migrated the React Compiler from TypeScript to Rust, combining human‑designed architecture with AI‑generated code, achieving up to 10× faster core conversion, a 3× overall compile speed increase, seamless integration with Babel, SWC and OXC, and a rigorous three‑layer testing regime.