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Bun, September 2026 new features

2 releases ยท 1 product

Bun v1.4.2

This release fixes two regressions impacting Elysia and AsyncLocalStorage, a hang in @discordjs/ws, CMYK JPEG decoding in Bun.Image, a rare JIT crash, and a GC crash on musl.

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Bun v1.4.1

Fixes 202 issues, addressing 236 ๐Ÿ‘. 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...

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