Impact Score: 5/10
Vitest v0.12.6 — 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 v0.12.6. Source highlight: `.resolves` and `.rejects` expectations (#1300) (789cc93)
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 (3)
- `.resolves` and `.rejects` expectations (#1300) (789cc93)
- `process.stdout` could be undefined on Windows (fix #1292) (#1305) (3179ac9)
- can mock non-existent paths and virtual modules via __mocks__ (#1298) (c491fb4)
📄 View Raw Release Notes (Original Developer Log)
### Bug Fixes
* `.resolves` and `.rejects` expectations ([#1300](https://github.com/vitest-dev/vitest/issues/1300)) ([789cc93](https://github.com/vitest-dev/vitest/commit/789cc93))
* `process.stdout` could be undefined on Windows (fix [#1292](https://github.com/vitest-dev/vitest/issues/1292)) ([#1305](https://github.com/vitest-dev/vitest/issues/1305)) ([3179ac9](https://github.com/vitest-dev/vitest/commit/3179ac9))
* can mock non-existent paths and virtual modules via __mocks__ ([#1298](https://github.com/vitest-dev/vitest/issues/1298)) ([c491fb4](https://github.com/vitest-dev/vitest/commit/c491fb4))