# Bun bun-v1.4.0 — Release & Upgrade Intelligence
- **Product:** Bun (https://bun.sh)
- **Version:** bun-v1.4.0
- **Released:** Aug 20, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/bun/updates/bun-v1.4.0/

## Executive Summary (TL;DR)
Bun bun-v1.4.0. Source highlight: curl -fsSL https://bun.com/install | bash