Impact Score: 5/10
Bun v1.0.9
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-v1.0.9. Source highlight: To install Bun v1.0.9:
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.
✨ New Features & Capabilities (1)
- Add more tests for Bun.spawn lifecycle and address edgecase
🔧 Bug Fixes & Patches (3)
- fix jsx key parse and visit order
- Fix edgecase from `eeb3f7b`
- fix: baseline+linux arm64 builds
📄 View Raw Release Notes (Original Developer Log)
To install Bun v1.0.9:
```bash
curl https://bun.sh/install | bash
# or you can use npm
# npm install -g bun
```
To upgrade to Bun v1.0.9:
```bash
bun upgrade
```
**[Read Bun v1.0.9's release notes on Bun's blog](https://bun.sh/blog/bun-v1.0.9)**
## What's Changed
* chore: build and publish canary windows builds by @paperdave in https://github.com/oven-sh/bun/pull/6834
* fix jsx key parse and visit order by @dylan-conway in https://github.com/oven-sh/bun/pull/6866
* more install tests by @dylan-conway in https://github.com/oven-sh/bun/pull/6867
* Fix edgecase from `eeb3f7b` by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/6870
* fix: baseline+linux arm64 builds by @paperdave in https://github.com/oven-sh/bun/pull/6873
* Spawn ref count by @dylan-conway in https://github.com/oven-sh/bun/pull/6890
* Add more tests for Bun.spawn lifecycle and address edgecase by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/6904
**Full Changelog**: https://github.com/oven-sh/bun/compare/bun-v1.0.8...bun-v1.0.9