Vitest v4.1.8stable Released Jun 01, 2026
Impact Score: 5/10

Vitest v4.1.8 โ€” Release Notes & Engineering Impact

Source available โ€” automated, not human-reviewed

Component: vitest ยท Channel: stable. Automated analysis, not a compatibility certification. How this works.

Analysis updated: 2026-11-01.

Compatibility not verified โ€” check source notes
๐Ÿ“„ .MD
โšก Executive Summary (TL;DR)

Vitest v4.1.8. Source highlight:    ๐Ÿž Bug Fixes

Who Does This Impact? (Role-Based Analysis)

๐Ÿ’ป Software Engineers & Devs

Check the source notes against the package and APIs you use before upgrading.

๐Ÿ“Š Product & Engineering Leads

Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.

โš™๏ธ DevOps & Security

Verify the target version, runtime requirements and rollback procedure in the official documentation.

๐Ÿ”ง Bug Fixes & Patches (2)

  • Disable client `cdp` API when `allowWrite/allowExec: false` [backport to v4] &nbsp;-&nbsp; by @hi-ogawa and **Codex** in https://github.com/vitest-dev/vitest/issues/10450 <samp>(e4067)</samp>
  • Remove orphaned Playwright route when same module is mocked via multiple ids [backport to v4] &nbsp;-&nbsp; by @toxik and @Zelys-DFKH in https://github.com/vitest-dev/vitest/issues/10474 <samp>(675b4)</samp>
๐Ÿ“„ View Raw Release Notes (Original Developer Log)
### &nbsp;&nbsp;&nbsp;๐Ÿž Bug Fixes - **browser**: - Disable client `cdp` API when `allowWrite/allowExec: false` [backport to v4] &nbsp;-&nbsp; by @hi-ogawa and **Codex** in https://github.com/vitest-dev/vitest/issues/10450 [<samp>(e4067)</samp>](https://github.com/vitest-dev/vitest/commit/e4067b3b1) - Remove orphaned Playwright route when same module is mocked via multiple ids [backport to v4] &nbsp;-&nbsp; by @toxik and @Zelys-DFKH in https://github.com/vitest-dev/vitest/issues/10474 [<samp>(675b4)</samp>](https://github.com/vitest-dev/vitest/commit/675b4343f) ##### &nbsp;&nbsp;&nbsp;&nbsp;[View changes on GitHub](https://github.com/vitest-dev/vitest/compare/v4.1.7...v4.1.8)