24 releases · 0 this month
Bun 1.4 rewrites Bun in Rust, ships built-in headless browser automation (Bun.WebView), Bun.Image, Bun.markdown, JSON5, JSONL, Terminal and cron APIs, Node.js 26.3.0 compatibility with 1,517 newly passing tests, parallel test and run, Windows ARM64, and an opt-in global virtual store for up to 7× faster installs.
Why & how we rewrote Bun from Zig to Rust
Bun has been acquired by Anthropic. Anthropic is betting on Bun as the infrastructure powering Claude Code, Claude Agent SDK, and future AI coding products & tools.
Deploy and run your applications with Bun's fast JavaScript runtime on Vercel Functions, with full access to Bun APIs and improved performance
Bun 1.3 introduces zero-config frontend development, unified SQL API, built-in Redis client, security enhancements, package catalogs, async stack traces, VS Code test integration, and Node.js compatibility improvements.
The runtime and toolkit.
Releasesby Glyph