Vitest v1.1.0 — 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 4 🔧 Bug Fixes 6

⚡ Executive Summary (TL;DR)

Vitest v1.1.0. 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 (4)

Add es-main compatibility to vite-node  -  by @zookatron in https://github.com/vitest-dev/vitest/issues/4751 <samp>(486a3)</samp>
Add `--no-file-parallelism`, `--maxWorkers`, `--minWorkers` flags  -  by @sheremet-va and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4705 <samp>(fd5d7)</samp>
Add `--no-isolate` flag to improve performance, add documentation about performance  -  by @sheremet-va, @AriPerkkio and **Pascal Jufer** in https://github.com/vitest-dev/vitest/issues/4777 <samp>(4d55a)</samp>
Add `--exclude` CLI flag  -  by @Namchee and @sheremet-va in https://github.com/vitest-dev/vitest/issues/4279 <samp>(f859e)</samp>

🔧 Bug Fixes & Patches (6)

Add `--workspace` option, fix root resolution in workspaces  -  by @sheremet-va and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4773 <samp>(67d93)</samp>
Correctly reset provided values  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4775 <samp>(5a71e)</samp>
Fix `toHaveProperty` assertion error diff  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4734 <samp>(f8f70)</samp>
Handle fixture teardown error  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4683 <samp>(c6f5f)</samp>
`defineWorkspace` fix intellisense and report type errors  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4743 <samp>(9cc36)</samp>
Escape html for console log view  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4724 <samp>(e0dde)</samp>

📄 View Raw Release Notes (Original Developer Log)

###    🚀 Features - Add es-main compatibility to vite-node  -  by @zookatron in https://github.com/vitest-dev/vitest/issues/4751 [<samp>(486a3)</samp>](https://github.com/vitest-dev/vitest/commit/486a3e61) - Add `--workspace` option, fix root resolution in workspaces  -  by @sheremet-va and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4773 [<samp>(67d93)</samp>](https://github.com/vitest-dev/vitest/commit/67d93eda) - Add `--no-file-parallelism`, `--maxWorkers`, `--minWorkers` flags  -  by @sheremet-va and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4705 [<samp>(fd5d7)</samp>](https://github.com/vitest-dev/vitest/commit/fd5d7e66) - Add `--no-isolate` flag to improve performance, add documentation about performance  -  by @sheremet-va, @AriPerkkio and **Pascal Jufer** in https://github.com/vitest-dev/vitest/issues/4777 [<samp>(4d55a)</samp>](https://github.com/vitest-dev/vitest/commit/4d55a026) - Add `--exclude` CLI flag  -  by @Namchee and @sheremet-va in https://github.com/vitest-dev/vitest/issues/4279 [<samp>(f859e)</samp>](https://github.com/vitest-dev/vitest/commit/f859efc0) ###    🐞 Bug Fixes - Correctly reset provided values  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4775 [<samp>(5a71e)</samp>](https://github.com/vitest-dev/vitest/commit/5a71eb30) - **expect**: - Fix `toHaveProperty` assertion error diff  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4734 [<samp>(f8f70)</samp>](https://github.com/vitest-dev/vitest/commit/f8f70f7c) - **runner**: - Handle fixture teardown error  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4683 [<samp>(c6f5f)</samp>](https://github.com/vitest-dev/vitest/commit/c6f5f7f9) - **types**: - `defineWorkspace` fix intellisense and report type errors  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/4743 [<samp>(9cc36)</samp>](https://github.com/vitest-dev/vitest/commit/9cc36689) - **ui**: - Escape html for console log view  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4724 [<samp>(e0dde)</samp>](https://github.com/vitest-dev/vitest/commit/e0dde6ab) - Fix coverage iframe url for html report preview  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4717 [<samp>(71911)</samp>](https://github.com/vitest-dev/vitest/commit/71911039) - Show file item when search filter matches only test cases  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/4736 [<samp>(f43fd)</samp>](https://github.com/vitest-dev/vitest/commit/f43fdd87) - **vitest**: - Pass down CLI options to override workspace configs  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/4774 [<samp>(8dabe)</samp>](https://github.com/vitest-dev/vitest/commit/8dabef86) #####     [View changes on GitHub](https://github.com/vitest-dev/vitest/compare/v1.0.4...v1.1.0)

← Older Version Vitest v1.0.4 Newer Version → Vitest v1.1.1