Impact Score: 5/10
Vitest v5.0.3 — 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.
⚡ Executive Summary (TL;DR)
Vitest v5.0.3. Source highlight: 🐞 Bug Fixes
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)
- Isolate `result.status` between `repeats` runs - by @hi-ogawa, **Hiroshi Ogawa** and **Codex (GPT-6)** in https://github.com/vitest-dev/vitest/issues/11218 <samp>(5dbeb)</samp>
- Don't print an interceptor warning in browser mode - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/11377 <samp>(15cc0)</samp>
- Don't retry when `test.fails` expectedly failed - by @hi-ogawa, **Hiroshi Ogawa** and **Codex (GPT-6)** in https://github.com/vitest-dev/vitest/issues/11219 <samp>(b2458)</samp>
- Scope cache key generators to projects - by @ecoyoung in https://github.com/vitest-dev/vitest/issues/11281 and https://github.com/vitest-dev/vitest/issues/11301 <samp>(92ba7)</samp>
- Delay server `listen` until tests start running - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/11366 <samp>(7d8ed)</samp>
- Check mock path boundaries - by @saryn17, **Ryosei Sato** and @sheremet-va in https://github.com/vitest-dev/vitest/issues/11361 and https://github.com/vitest-dev/vitest/issues/11362 <samp>(1c388)</samp>
📄 View Raw Release Notes (Original Developer Log)
### 🐞 Bug Fixes
- Isolate `result.status` between `repeats` runs - by @hi-ogawa, **Hiroshi Ogawa** and **Codex (GPT-6)** in https://github.com/vitest-dev/vitest/issues/11218 [<samp>(5dbeb)</samp>](https://github.com/vitest-dev/vitest/commit/5dbebe9e3)
- Don't print an interceptor warning in browser mode - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/11377 [<samp>(15cc0)</samp>](https://github.com/vitest-dev/vitest/commit/15cc006aa)
- Don't retry when `test.fails` expectedly failed - by @hi-ogawa, **Hiroshi Ogawa** and **Codex (GPT-6)** in https://github.com/vitest-dev/vitest/issues/11219 [<samp>(b2458)</samp>](https://github.com/vitest-dev/vitest/commit/b24585f08)
- Scope cache key generators to projects - by @ecoyoung in https://github.com/vitest-dev/vitest/issues/11281 and https://github.com/vitest-dev/vitest/issues/11301 [<samp>(92ba7)</samp>](https://github.com/vitest-dev/vitest/commit/92ba7fc1d)
- **browser**:
- Delay server `listen` until tests start running - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/11366 [<samp>(7d8ed)</samp>](https://github.com/vitest-dev/vitest/commit/7d8ed3e9b)
- Check mock path boundaries - by @saryn17, **Ryosei Sato** and @sheremet-va in https://github.com/vitest-dev/vitest/issues/11361 and https://github.com/vitest-dev/vitest/issues/11362 [<samp>(1c388)</samp>](https://github.com/vitest-dev/vitest/commit/1c3888bce)
- Keep config of browser-consumed environments - by @kasperpeulen and **Claude** in https://github.com/vitest-dev/vitest/issues/11378 [<samp>(aafc0)</samp>](https://github.com/vitest-dev/vitest/commit/aafc0996f)
- Ignore page crash while cancelling - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/11386 [<samp>(7c367)</samp>](https://github.com/vitest-dev/vitest/commit/7c36748fa)
- `toMatchScreenshot` uses wrong reference on retried tests - by @macarie in https://github.com/vitest-dev/vitest/issues/11393 [<samp>(c22ab)</samp>](https://github.com/vitest-dev/vitest/commit/c22aba992)
- **cache**:
- Revalidate imports of cached modules - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/11381 [<samp>(38f98)</samp>](https://github.com/vitest-dev/vitest/commit/38f98855f)
- **deps**:
- Pin `why-is-node-running` to `3.2.1` to avoid users running into `ERR_PNPM_TRUST_DOWNGRADE` - by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/11403 [<samp>(f6c9a)</samp>](https://github.com/vitest-dev/vitest/commit/f6c9a4977)
- **expect**:
- Pass current equality testers to `expect.extend` asymmetric matchers - by @hi-ogawa, **Hiroshi Ogawa** and **Claude** in https://github.com/vitest-dev/vitest/issues/11401 [<samp>(3e794)</samp>](https://github.com/vitest-dev/vitest/commit/3e794a96b)
- **jsdom**:
- Support Blob on jsdom 30.1 - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/11379 [<samp>(6c49b)</samp>](https://github.com/vitest-dev/vitest/commit/6c49b7197)
- **pool**:
- Preserve unique pool ids when `groupOrder` is set - by @mtorp in https://github.com/vitest-dev/vitest/issues/11392 [<samp>(50312)</samp>](https://github.com/vitest-dev/vitest/commit/50312ebb4)
- **ui**:
- Split-pane handle overlapping iframe - by @macarie in https://github.com/vitest-dev/vitest/issues/11221 [<samp>(f91db)</samp>](https://github.com/vitest-dev/vitest/commit/f91db0dfd)
- **vitest**:
- Remove root temp dir on close - by @abhinav-phi in https://github.com/vitest-dev/vitest/issues/11248 [<samp>(7c711)</samp>](https://github.com/vitest-dev/vitest/commit/7c7119cf7)
- **vm**:
- Do not optimize deps from index.html - by @ezefernandezyf, **Hiroshi Ogawa** and **Codex (GPT-6)** in https://github.com/vitest-dev/vitest/issues/11329 and https://github.com/vitest-dev/vitest/issues/11360 [<samp>(caf28)</samp>](https://github.com/vitest-dev/vitest/commit/caf2887de)
- Don't reuse scripts across vite environments - by @MO2k4, **Martin Oehlert** and **Claude** in https://github.com/vitest-dev/vitest/issues/11395 [<samp>(346d3)</samp>](https://github.com/vitest-dev/vitest/commit/346d3896b)
##### [View changes on GitHub](https://github.com/vitest-dev/vitest/compare/v5.0.2...v5.0.3)