Impact Score: 5/10
Vitest v4.0.1 — Release Notes & Engineering Impact
Source available — automated, not human-reviewed
Component: vitest · Channel: stable. Automated analysis, not a compatibility certification. How this works.
Analysis updated: 2026-11-01.
⚡ Executive Summary (TL;DR)
Vitest v4.0.1. Source highlight: 🐞 Bug Fixes
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.
🔧 Bug Fixes & Patches (2)
- Move the `getBuiltins` check - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8765 <samp>(81000)</samp>
- **pool**: Don't teardown the communication channel too soon if something is running after the test - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8767 <samp>(3fae7)</samp>
📄 View Raw Release Notes (Original Developer Log)
### 🐞 Bug Fixes
- Move the `getBuiltins` check - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8765 [<samp>(81000)</samp>](https://github.com/vitest-dev/vitest/commit/81000631d)
- **pool**: Don't teardown the communication channel too soon if something is running after the test - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8767 [<samp>(3fae7)</samp>](https://github.com/vitest-dev/vitest/commit/3fae73e2e)
##### [View changes on GitHub](https://github.com/vitest-dev/vitest/compare/v4.0.0...v4.0.1)