Bun v1.3.9
UpdateUnverifiedAdded Sep 24, 2026
Fixes 23 issues (addressing 13 👍). Run multiple scripts in --parallel or --sequential. bun:test mock & spyOn get Symbol.dispose support. ESM bytecode compilation. Faster Bun.markdown. Faster RegExp, String.prototype.trim, String.prototype.startsWith.
Topics: Performance
More Bun releases
Every Bun release| Date | Release | Type |
|---|---|---|
| Jan 29 | Bun v1.3.8unverified Update | Update |
| Jan 27 | Bun v1.3.7unverified Update | Update |
| Feb 26 | Bun v1.3.10unverified Update | Update |
| Jan 13 | Bun v1.3.6unverified Update | Update |
| Mar 18 | Bun v1.3.11unverified Update | Update |
| Dec 17 | Bun v1.3.5unverified Update | Update |
| Apr 9 | Bun v1.3.12unverified Update | Update |
| Dec 6 | Bun v1.3.4unverified Update | 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.