[Jarred Sumner, Ciro Spaciari, Dylan Conway, Alistair Smith, Sosuke Suzuki · Bun · bun.com](<https://bun.com/blog/bun-v1.4>)

# Bun 1.4

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.

1. [Releases · Bun](<https://curation.space/bun/releases>)