ByteDance Web Infra

Jun 26, 2026 · Frontend Development

Rspack 2.1 Boosts Build Speed Up to 13× with Rust‑Based React Compiler

Rspack 2.1 has been released, delivering a Rust‑implemented React Compiler that runs 7‑13× faster than the previous Babel version, overall production builds that are about 16% quicker, HMR improvements of roughly 5%, and a host of new features such as import.meta.glob support, createRequire parsing, magic comments, source‑phase imports, automatic cache cleanup, plus ecosystem updates for TanStack RSC, Rsbuild, Rslib, Rstest, Rslint, Rspress, Rsdoctor and rspack‑merge.