Impact Score: 5/10
Bun v1.0.21
Source available — automated, not human-reviewed
Component: bun · Channel: stable. Automated analysis, not a compatibility certification. How this works.
Analysis updated: 2026-11-01.
⚡ Executive Summary (TL;DR)
Bun bun-v1.0.21. Source highlight: To install Bun v1.0.21:
Who Does This Impact? (Role-Based Analysis)
💻 Software Engineers & Devs
Check the source notes against the package and APIs you use before upgrading.
📊 Product & Engineering Leads
Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.
⚙️ DevOps & Security
Verify the target version, runtime requirements and rollback procedure in the official documentation.
📄 View Raw Release Notes (Original Developer Log)
To install Bun v1.0.21:
```bash
curl https://bun.sh/install | bash
# or you can use npm
# npm install -g bun
```
To upgrade to Bun v1.0.21:
```bash
bun upgrade
```
**[Read Bun v1.0.21's release notes on Bun's blog](https://bun.sh/blog/bun-v1.0.21)**
## Thanks to 20 contributors who made this release possible!
- [@aarvinr](https://github.com/aarvinr)
- [@cirospaciari](https://github.com/cirospaciari)
- [@coratgerl](https://github.com/coratgerl)
- [@Hanaasagi](https://github.com/Hanaasagi)
- [@huseeiin](https://github.com/huseeiin)
- [@Jarred-Sumner](https://github.com/Jarred-Sumner)
- [@jeroenpg](https://github.com/jeroenpg)
- [@johnpyp](https://github.com/johnpyp)
- [@kaioduarte](https://github.com/kaioduarte)
- [@knightspore](https://github.com/knightspore)
- [@L422Y](https://github.com/L422Y)
- [@malthe](https://github.com/malthe)
- [@nektro](https://github.com/nektro)
- [@o-az](https://github.com/o-az)
- [@o2sevruk](https://github.com/o2sevruk)
- [@otgerrogla](https://github.com/otgerrogla)
- [@RiskyMH](https://github.com/RiskyMH)
- [@rtxanson](https://github.com/rtxanson)
- [@thunfisch987](https://github.com/thunfisch987)
- [@xlc](https://github.com/xlc)