TECHNOLOGY · VERIFIED DEVELOPMENT
Cloudflare and VoidZero Enhance Open-Source JavaScript Toolchain
WHY IT MATTERS
These advancements will benefit developers and agents by improving the speed and efficiency of software development, ultimately leading to faster and more productive development experiences.
What happened
Cloudflare and VoidZero have made significant advancements in their open-source JavaScript toolchain, improving performance and developer experience. Key updates include the Oxc React Compiler, which compiles React.
js apps 10x faster, and Vitest 5, which is up to 50% faster than its predecessor. Additionally, tsgolint is now stable and up to 18x faster than ESLint in large codebases, and Oxfmt's formatters are now written in Rust, making it 7x faster than Prettier.
The teams are also working on 'Bundled Dev,' a new development mode that aims to speed up dev servers for larger applications.
PRIMARY SOURCES
Four months of VoidZero at Cloudflare: making the open-source JavaScript toolchain faster for all humans and agents
Cloudflare (company statement) · Evan You · Corporate primary source; facts only, no copied text or images; link and attribution required
CORRECTIONS & UPDATES
- Revision 1 · Initial ingestion · Sep 28, 2026, 1:46 PM
- Revision 2 · Source update detected · Sep 28, 2026, 1:46 PM