Impact Score: 5/10
Bun v0.8.1
Source available โ automated, not human-reviewed
Component: bun ยท Channel: stable. Automated analysis, not a compatibility certification. How this works.
Analysis updated: 2026-11-01.
โก Executive Summary (TL;DR)
Bun bun-v0.8.1. Source highlight: curl https://bun.sh/install | bash
Who Does This Impact? (Role-Based Analysis)
๐ป Software Engineers & Devs
Check the source notes against the package and APIs you use before upgrading.
๐ Product & Engineering Leads
Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.
โ๏ธ DevOps & Security
Verify the target version, runtime requirements and rollback procedure in the official documentation.
โจ New Features & Capabilities (1)
- Add guides for test runner
๐ง Bug Fixes & Patches (6)
- Add Debugger docs and a couple guides
- Fix performance regression in reading from the request body
- Fix(node:http): fix URL formatting when using a proxy.
- [install] fix crash when installing package that uses loose semver pre-release
- [install] fix stale life-cycle scripts from lockfile
- Improved support for `debug-adapter-protocol`
๐ View Raw Release Notes (Original Developer Log)
To install:
```bash
curl https://bun.sh/install | bash
# or you can use npm
# npm install -g bun
```
To upgrade:
```bash
bun upgrade
```
**[Read Bun v0.8.1's release notes on Bun's blog](https://bun.sh/blog/bun-v0.8.1)**
## What's Changed
* Add Debugger docs and a couple guides by @colinhacks in https://github.com/oven-sh/bun/pull/4281
* ๐ฐ drain the microtasks more by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/4282
* Fix performance regression in reading from the request body by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/4291
* Update bun-polyfills & bun-wasm by @jhmaster2000 in https://github.com/oven-sh/bun/pull/4246
* update zig to 0.11.0 by @CGQAQ in https://github.com/oven-sh/bun/pull/4233
* Don't inline require/import errors at runtime by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/4306
* Make the server not crash if an error occurs in the dev build. by @Hanaasagi in https://github.com/oven-sh/bun/pull/4300
* Fix(node:http): fix URL formatting when using a proxy. by @Hanaasagi in https://github.com/oven-sh/bun/pull/4297
* [install] fix crash when installing package that uses loose semver pre-release by @alexlamsl in https://github.com/oven-sh/bun/pull/4302
* [install] fix stale life-cycle scripts from lockfile by @alexlamsl in https://github.com/oven-sh/bun/pull/4307
* Report extra memory more by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/4289
* Remove conflict option in tsconfig-for-init.json by @codehz in https://github.com/oven-sh/bun/pull/4284
* Add guides for test runner by @colinhacks in https://github.com/oven-sh/bun/pull/4308
* Listen on a unix domain socket with Bun.serve() by @Jarred-Sumner in https://github.com/oven-sh/bun/pull/4311
* Improved support for `debug-adapter-protocol` by @Electroid in https://github.com/oven-sh/bun/pull/4186
## New Contributors
* @CGQAQ made their first contribution in https://github.com/oven-sh/bun/pull/4233
**Full Changelog**: https://github.com/oven-sh/bun/compare/bun-v0.8.0...bun-v0.8.1