Bun is a fast, incrementally adoptable all-in-one JavaScript, TypeScript & JSX toolkit. Use individual tools like bun test or bun install in Node.js projects, or adopt the complete stack with a fast JavaScript runtime, bundler, test runner, and package manager built in. Bun aims for 100% Node.js compatibility.
1.3 release:
The highlights:
Full‑stack dev server (with hot reloading, browser -> terminal console logs) built into Bun.serve()
Builtin MySQL client, alongside our existing Postgres and SQLite clients
Builtin Redis client
Better routing, cookies, WebSockets, and HTTP ergonomics
Isolated installs, catalogs, minimumRelease, and more for workspaces