Port React Compiler to Rust
![[compiler] Port React Compiler to Rust by josephsavona · Pull Request #36173 · react/react](https://pub-90f0ac00d93c47daac3e1d2cdd28d496.r2.dev/articles/557e35ec428d654683add60e23ae7aae.webp)
github.com
June 10, 2026
24 min read
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52/100
Summary
React Compiler is being ported to Rust as an experimental project. The port is in progress, with all fixtures passing but potential unknown bugs, and no builds are currently available for testing.
Key Takeaways
- The React Compiler is being ported to Rust, with the majority of the coding done by AI and the architecture guided by a human developer.
- Early performance tests indicate that the Rust version of the compiler is approximately 3x faster as a Babel plugin, with transformation logic being around 10x faster.
- All 1725 fixtures pass in tests comparing the Rust version with the main version, ensuring correctness in generated code output and intermediate representations.
- There are currently three integrations available: an alternative Babel plugin and examples for OXC and SWC integrations.
Community Sentiment
Positives
- The React compiler's ability to eliminate useMemo and useCallback while improving runtime performance indicates a significant advancement in efficiency.
- The massive render performance gains observed by users implementing the compiler in their projects highlight its potential impact on application responsiveness.
- Leveraging AI tools to ease Rust programming complexities, such as the borrow checker, suggests a promising integration of AI in enhancing developer experience.
Concerns
- Concerns about the build time of the React compiler persist, indicating that performance improvements may be offset by longer development cycles.
- Questions about the complexity of contributing new features due to the memory model suggest potential barriers to community engagement and development.