Bun v1.4.1

Fixes 202 issues, addressing 236 👍. HTTP/2 in Bun.serve, Bun.write() streams Response bodies to disk, self-contained workspace node_modules, bun install --offline and --prefer-offline, WebSocket pause() and resume(), crypto.argon2, tree-shaking through dynamic import(), smarter CommonJS to ESM conversion for default imports, --compile --bytecode when cross-compiling, smaller and faster-starting compiled executables, up to 9x faster Buffer reads and writes, 2x faster AsyncLocalStorage, faster startup, and many bugfixes and Node.js compatibility improvements.

Read on Bun Blog

On 09/04/2026, 03:47 PM, Bun Blog published "Bun v1.4.1" (type: Release). Related technologies: Bun, JavaScript / Node.js.