Vitest v0.30.1 — 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.

Compatibility not verified — check source notes

📄 .MD

🔧 Bug Fixes 6

⚡ Executive Summary (TL;DR)

Vitest v0.30.1. Source highlight:    🐞 Bug Fixes

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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 (6)

Do not rely on global `performance` and `AggregateError`  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/3171 <samp>(cce45)</samp>
Allow workspace without a config in the root  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/3173 <samp>(06852)</samp>
`test.each` respects `chaiConfig`  -  by @sheremet-va <samp>(4f6c1)</samp>
Use relative paths in source map's "sources" field  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/3177 <samp>(6b1b4)</samp>
Allow augmenting jest namespace for custom assertions  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/3169 <samp>(905ec)</samp>
Publish utils and snapshot .d.ts files for typescript  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/3172 <samp>(7af64)</samp>

📄 View Raw Release Notes (Original Developer Log)

###    🐞 Bug Fixes - Do not rely on global `performance` and `AggregateError`  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/3171 [<samp>(cce45)</samp>](https://github.com/vitest-dev/vitest/commit/cce45496) - Allow workspace without a config in the root  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/3173 [<samp>(06852)</samp>](https://github.com/vitest-dev/vitest/commit/06852f18) - `test.each` respects `chaiConfig`  -  by @sheremet-va [<samp>(4f6c1)</samp>](https://github.com/vitest-dev/vitest/commit/4f6c1340) - Use relative paths in source map's "sources" field  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/3177 [<samp>(6b1b4)</samp>](https://github.com/vitest-dev/vitest/commit/6b1b4e68) - **types**: - Allow augmenting jest namespace for custom assertions  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/3169 [<samp>(905ec)</samp>](https://github.com/vitest-dev/vitest/commit/905ec05a) - Publish utils and snapshot .d.ts files for typescript  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/3172 [<samp>(7af64)</samp>](https://github.com/vitest-dev/vitest/commit/7af64444) - **snapshot**: - `toMatchFileSnapshot` ensure dir exists  -  by @antfu in https://github.com/vitest-dev/vitest/issues/3155 [<samp>(31168)</samp>](https://github.com/vitest-dev/vitest/commit/311682a8) - Improve `skipWriting` check  -  by @antfu [<samp>(5436c)</samp>](https://github.com/vitest-dev/vitest/commit/5436c736) - Normalize EOL for `toMatchFileSnapshot`  -  by @antfu in https://github.com/vitest-dev/vitest/issues/3164 [<samp>(df3f2)</samp>](https://github.com/vitest-dev/vitest/commit/df3f2b50) #####     [View changes on GitHub](https://github.com/vitest-dev/vitest/compare/v0.30.0...v0.30.1)

← Older Version Vitest v0.30.0 Newer Version → Vitest v0.31.0