Bun Rewrites 535K Lines of Zig into Rust in Four Months, Eliminates Numerous Memory Leaks
<img src="https://res.infoq.com/news/2026/09/bun-AI-rewrite-zig-rust-4-months/en/headerimage/generatedHeaderImage-1789932023289.jpg"/><p>Bun creator Jarred Sumner recently announced that Bun, the JavaScript/TypeScript runtime, bundler and package manager has been rewritten from Zig to Rust. The rewrite seeks to eliminate recurrent memory safety vulnerabilities via Rust’s borrow checker. The AI-ass…