bun-v1.4.2

oven-sh/bunbun-v1.4.2Sep 5, 2026by dylan-conway

AI Summary

A patch release in the Bun 1.4 series, focusing on stability improvements and bug fixes. Users can install or upgrade using standard shell commands.

Key Highlights

Installation instructions provided for Linux/macOS and Windows
Upgrade command available via `bun upgrade`
Community contributors acknowledged

New Features

Runtime stability improvements
Bug fixes

Full Release Notes

To install Bun v1.4.2
```bash
curl -fsSL https://bun.sh/install | bash
# or you can use npm
# npm install -g bun
```

Windows:
```bash
powershell -c "irm bun.sh/install.ps1|iex"
```

To upgrade to Bun v1.4.2:
```bash
bun upgrade
```

### [Read Bun v1.4.2's release notes on Bun's blog](https://bun.sh/blog/bun-v1.4.2)

### Thanks to 3 contributors!

- [@dylan-conway](https://github.com/dylan-conway)
- [@jarred-sumner](https://github.com/jarred-sumner)
- [@robobun](https://github.com/robobun)