Bun v1.4.2
UpdateUnverifiedAdded Sep 24, 2026
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.
More Bun releases
Every Bun release| Date | Release | Type |
|---|---|---|
| Sep 4 | Bun v1.4.1unverified Update | Update |
| Aug 20 | Bun 1.4unverified Update | Update |
| Jul 8 | Rewriting Bun in Rustunverified Update | Update |
| May 13 | Bun v1.3.14unverified Update | Update |
| Apr 20 | Bun v1.3.13unverified Update | Update |
| Apr 9 | Bun v1.3.12unverified Update | Update |
| Mar 18 | Bun v1.3.11unverified Update | Update |
| Feb 26 | Bun v1.3.10unverified Update | Update |
Also shipped on Sep 5, 2026
Bun in September 2026| Date | Company | Release | Product | Type |
|---|---|---|---|---|
| Sep 5 |  LangChain | LangSmith SDK 0.12.2unverified | LangSmith | Update |
Sources: each vendor's own release notes, changelogs and GitHub releases, read daily to monthly by how often it posts. Logos via logo.dev; trademarks belong to their owners.