Vitest v0.22.0stable Released Aug 15, 2022
โš ๏ธ Breaking Change Impact Score: 7/10

Vitest v0.22.0 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.

Breaking-change evidence from the source

  •    ๐Ÿšจ Breaking Changes - `c8` coverage support now require peer dependency `@vitest/coverage-c8` to be installed. Alternatively, you can install `@vitest/coverage-istanbul` to use `istanbul` for coverage instead of `c8`.
Read the original context โ†—
Source flags breaking changes โ€” review applicability
๐Ÿ“„ .MD
โšก Executive Summary (TL;DR)

Vitest v0.22.0. Source highlight:    ๐Ÿšจ Breaking Changes

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.

โš ๏ธ Breaking Changes & Deprecations (1)

  •    ๐Ÿšจ Breaking Changes - `c8` coverage support now require peer dependency `@vitest/coverage-c8` to be installed. Alternatively, you can install `@vitest/coverage-istanbul` to use `istanbul` for coverage instead of `c8`.

โœจ New Features & Capabilities (4)

  • Add --no-color to cli  - 
  • Support auto retry on Node segfault `--segfault-retry`  -  by @tony19 @antfu in https://github.com/vitest-dev/vitest/issues/1854
  • Support `istanbul` coverage provider  -  by @AriPerkkio and @antfu in https://github.com/vitest-dev/vitest/issues/1676
  • **cli**: Support passing `--inspect` and `--inspect-brk` &nbsp;-&nbsp; by @antfu <samp>(ea80f)</samp>

๐Ÿ”ง Bug Fixes & Patches (3)

  • Handle undefined returns of module mocks, and update migration docs &nbsp;-&nbsp; by @jereklas in https://github.com/vitest-dev/vitest/issues/1763 and https://github.com/vitest-dev/vitest/issues/1830
  • Clear pattern when rerun all tests &nbsp;-&nbsp;
  • **reporter-junit**: Remove trailing zeros in duration &nbsp;-&nbsp;
๐Ÿ“„ View Raw Release Notes (Original Developer Log)
### &nbsp;&nbsp;&nbsp;๐Ÿšจ Breaking Changes - `c8` coverage support now require peer dependency `@vitest/coverage-c8` to be installed. Alternatively, you can install `@vitest/coverage-istanbul` to use `istanbul` for coverage instead of `c8`. ### &nbsp;&nbsp;&nbsp;๐Ÿš€ Features - Add --no-color to cli &nbsp;-&nbsp; by @jereklas in https://github.com/vitest-dev/vitest/issues/1849 - Support auto retry on Node segfault `--segfault-retry` &nbsp;-&nbsp; by @tony19 @antfu in https://github.com/vitest-dev/vitest/issues/1854 - Support `istanbul` coverage provider &nbsp;-&nbsp; by @AriPerkkio and @antfu in https://github.com/vitest-dev/vitest/issues/1676 - **cli**: Support passing `--inspect` and `--inspect-brk` &nbsp;-&nbsp; by @antfu [<samp>(ea80f)</samp>](https://github.com/vitest-dev/vitest/commit/ea80f2bf) ### &nbsp;&nbsp;&nbsp;๐Ÿž Bug Fixes - Handle undefined returns of module mocks, and update migration docs &nbsp;-&nbsp; by @jereklas in https://github.com/vitest-dev/vitest/issues/1763 and https://github.com/vitest-dev/vitest/issues/1830 - Clear pattern when rerun all tests &nbsp;-&nbsp; by @ChpShy in https://github.com/vitest-dev/vitest/issues/1834 - **reporter-junit**: Remove trailing zeros in duration &nbsp;-&nbsp; by @nieyuyao in https://github.com/vitest-dev/vitest/issues/1842 ##### &nbsp;&nbsp;&nbsp;&nbsp;[View changes on GitHub](https://github.com/vitest-dev/vitest/compare/v0.21.1...v0.22.0)