Bun 1.4.2: Elysia build collision, AsyncLocalStorage leak, CMYK JPEGs (5 Sep 2026)
Bun published 1.4.2 on 5 September 2026: Elysia/bun-build variable collision, AsyncLocalStorage leak under exit()/run(), worker_threads online ordering for @discordjs/ws, and CMYK/YCCK JPEG decode in Bun.Image. Upgrade checklist only; no affiliate.
5 Oct 20264 min read