bun-v1.4.3

oven-sh/bunbun-v1.4.3Oct 10, 2026by Jarred-Sumner

Upgrading?

AI Summary

Bun v1.4.3 is a minor version release featuring updated installation instructions and links to detailed release notes on the official blog, supported by contributions from 8 developers.

Key Highlights

  • Read Bun v1.4.3's release notes on Bun's blog
  • Thanks to 8 contributors
  • Updated installation instructions provided
  • Support for Windows via PowerShell

Full Release Notes

To install Bun v1.4.3
```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 v1.4.3:
```bash
bun upgrade
```

### [Read Bun v1.4.3's release notes on Bun's blog](https://bun.com/blog/bun-v1.4.3)

### Thanks to 8 contributors!

- [@alii](https://github.com/alii)
- [@cirospaciari](https://github.com/cirospaciari)
- [@dylan-conway](https://github.com/dylan-conway)
- [@eastlondoner](https://github.com/eastlondoner)
- [@jarred-sumner](https://github.com/jarred-sumner)
- [@robobun](https://github.com/robobun)
- [@sosukesuzuki](https://github.com/sosukesuzuki)
- [@steipete](https://github.com/steipete)

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