Impact Score: 5/10
Bun v1.3.1
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-v1.3.1. Source highlight: To install Bun v1.3.1
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 v1.3.1
```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 v1.3.1:
```bash
bun upgrade
```
### [Read Bun v1.3.1's release notes on Bun's blog](https://bun.com/blog/bun-v1.3.1)
### Thanks to 15 contributors!
- [@alinalihassan](https://github.com/alinalihassan)
- [@cirospaciari](https://github.com/cirospaciari)
- [@dylan-conway](https://github.com/dylan-conway)
- [@hoxyy](https://github.com/hoxyy)
- [@jarred-sumner](https://github.com/jarred-sumner)
- [@jsparkdev](https://github.com/jsparkdev)
- [@mariusz4044](https://github.com/mariusz4044)
- [@markovejnovic](https://github.com/markovejnovic)
- [@nektro](https://github.com/nektro)
- [@pfgithub](https://github.com/pfgithub)
- [@riskymh](https://github.com/riskymh)
- [@robobun](https://github.com/robobun)
- [@shlomocode](https://github.com/shlomocode)
- [@sosukesuzuki](https://github.com/sosukesuzuki)
- [@taylordotfish](https://github.com/taylordotfish)
Special thanks to Martin Schwarzl of Cloudflare for fuzzing & reporting several bugs!!