Vitest v1.2.0 — 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

✨ Features 6 🔧 Bug Fixes 6

⚡ Executive Summary (TL;DR)

Vitest v1.2.0. Source highlight:    🚀 Features

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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.

✨ New Features & Capabilities (6)

Support case-insensitive path matching in cli  -  by @tigranmk in https://github.com/vitest-dev/vitest/issues/3567 and https://github.com/vitest-dev/vitest/issues/4911 <samp>(1326c)</samp>
Add typeahead search  -  by @bonyuta0204 and @sheremet-va in https://github.com/vitest-dev/vitest/issues/4275 and https://github.com/vitest-dev/vitest/issues/4733 <samp>(480d8)</samp>
Add syntax highlighting to error messages  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4813 <samp>(8c969)</samp>
Allow extending toEqual  -  by @tigranmk and @sheremet-va in https://github.com/vitest-dev/vitest/issues/2875 and https://github.com/vitest-dev/vitest/issues/4880 <samp>(463be)</samp>
Custom reporter support  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4828 <samp>(96dc6)</samp>
Show unhandled errors on the ui  -  by @spiroka and @sheremet-va in https://github.com/vitest-dev/vitest/issues/4380 <samp>(7f59a)</samp>

🔧 Bug Fixes & Patches (6)

Support vite config `server.headers`  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4890 <samp>(55f53)</samp>
Fix `testNamePattern` config  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4909 <samp>(4add9)</samp>
Fix updating snapshot during watch mode  -  by @hi-ogawa and @sheremet-va in https://github.com/vitest-dev/vitest/issues/4867 <samp>(508fc)</samp>
Remove redundant test failure logging  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4891 <samp>(7fd44)</samp>
Window.close() for environment teardown  -  by @capricorn86 in https://github.com/vitest-dev/vitest/issues/4931 <samp>(91719)</samp>
Fix `objDisplay` default truncate option for `test.each` title  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4917 <samp>(9ae9d)</samp>

📄 View Raw Release Notes (Original Developer Log)

###    🚀 Features - Support case-insensitive path matching in cli  -  by @tigranmk in https://github.com/vitest-dev/vitest/issues/3567 and https://github.com/vitest-dev/vitest/issues/4911 [<samp>(1326c)</samp>](https://github.com/vitest-dev/vitest/commit/1326c6ef) - Add typeahead search  -  by @bonyuta0204 and @sheremet-va in https://github.com/vitest-dev/vitest/issues/4275 and https://github.com/vitest-dev/vitest/issues/4733 [<samp>(480d8)</samp>](https://github.com/vitest-dev/vitest/commit/480d866a) - Add syntax highlighting to error messages  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4813 [<samp>(8c969)</samp>](https://github.com/vitest-dev/vitest/commit/8c969de2) - Allow extending toEqual  -  by @tigranmk and @sheremet-va in https://github.com/vitest-dev/vitest/issues/2875 and https://github.com/vitest-dev/vitest/issues/4880 [<samp>(463be)</samp>](https://github.com/vitest-dev/vitest/commit/463bee38) - **coverage**: - Custom reporter support  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4828 [<samp>(96dc6)</samp>](https://github.com/vitest-dev/vitest/commit/96dc6e9a) - **ui**: - Show unhandled errors on the ui  -  by @spiroka and @sheremet-va in https://github.com/vitest-dev/vitest/issues/4380 [<samp>(7f59a)</samp>](https://github.com/vitest-dev/vitest/commit/7f59a1b8) - **vitest**: - Add `--disable-console-intercept` option to allow opting-out from automatic console log interception  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4786 [<samp>(43fa6)</samp>](https://github.com/vitest-dev/vitest/commit/43fa6baa) - Show slow test duration in verbose reporter on CI  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4929 [<samp>(ccb25)</samp>](https://github.com/vitest-dev/vitest/commit/ccb25836) - Allow overiding package installer with public API  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4936 [<samp>(c2cce)</samp>](https://github.com/vitest-dev/vitest/commit/c2cceebb) ###    🐞 Bug Fixes - **browser**: - Support vite config `server.headers`  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4890 [<samp>(55f53)</samp>](https://github.com/vitest-dev/vitest/commit/55f5349f) - Fix `testNamePattern` config  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4909 [<samp>(4add9)</samp>](https://github.com/vitest-dev/vitest/commit/4add9516) - Fix updating snapshot during watch mode  -  by @hi-ogawa and @sheremet-va in https://github.com/vitest-dev/vitest/issues/4867 [<samp>(508fc)</samp>](https://github.com/vitest-dev/vitest/commit/508fced9) - Remove redundant test failure logging  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4891 [<samp>(7fd44)</samp>](https://github.com/vitest-dev/vitest/commit/7fd44dc3) - **happy-dom**: - Window.close() for environment teardown  -  by @capricorn86 in https://github.com/vitest-dev/vitest/issues/4931 [<samp>(91719)</samp>](https://github.com/vitest-dev/vitest/commit/91719bbd) - **utils**: - Fix `objDisplay` default truncate option for `test.each` title  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4917 [<samp>(9ae9d)</samp>](https://github.com/vitest-dev/vitest/commit/9ae9dac9) - **vitest**: - Fix tap reporter to handle custom error  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4897 [<samp>(f8ba8)</samp>](https://github.com/vitest-dev/vitest/commit/f8ba80f2) - Gracefully exit Vitest if `process.exit` is called inside the test  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4903 [<samp>(8e6c1)</samp>](https://github.com/vitest-dev/vitest/commit/8e6c104a) - Throw "cannot mock" error only in isolated pools  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4905 [<samp>(f99cc)</samp>](https://github.com/vitest-dev/vitest/commit/f99cc313) - Don't throw SyntaxError when "await vi.hoisted" is used  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4915 [<samp>(ca62f)</samp>](https://github.com/vitest-dev/vitest/commit/ca62f37a) - Correctly parse --maxWorkers/--minWorkers  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4924 [<samp>(0e77e)</samp>](https://github.com/vitest-dev/vitest/commit/0e77e697) - Show correct error when vi.hoisted is used inside vi.mock and the other way around  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4916 [<samp>(c4eac)</samp>](https://github.com/vitest-dev/vitest/commit/c4eacbb7) - Call global teardown when using workspaces  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4935 [<samp>(528bd)</samp>](https://github.com/vitest-dev/vitest/commit/528bd558) - Use file instead of id for HMR  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4938 [<samp>(ca76f)</samp>](https://github.com/vitest-dev/vitest/commit/ca76f457) - Add inlined deps to ssr.noExternal so they are added to the module graph  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4945 [<samp>(1663f)</samp>](https://github.com/vitest-dev/vitest/commit/1663f5ca) - **workspace**: - Support overring `pool` and `poolOptions` on project level  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4765 [<samp>(e9fe4)</samp>](https://github.com/vitest-dev/vitest/commit/e9fe4181) #####     [View changes on GitHub](https://github.com/vitest-dev/vitest/compare/v1.1.3...v1.2.0)

← Older Version Vitest v1.1.3 Newer Version → Vitest v1.2.1