Bun

Framework

Bun 1 is the newest actively maintained release, currently at patch 1.4.3. 1 of 1 tracked cycles remain supported.

Latest version

1.4.3

Oct 9, 2026

Actively maintained cycles

of 1 tracked

Total cycles tracked

since Sep 7, 2023

Release lifecycle

Actively maintainedSecurity support onlyEnd of life

Today

1Latest

1.4.3 · Oct 9, 2026

2024202520262027

Get an email when Bun ships a release, announces an end-of-life date, or moves a date it already announced.