Impact Score: 5/10
Vitest v0.3.0 — 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.
⚡ Executive Summary (TL;DR)
Vitest v0.3.0. Source highlight: import .mjs with vitestnode, decoupling vitenode from vitest (#689) (e561a1d)
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 (1)
- export default config to expand it (#702) (a70dcd3)
⚡ Performance & Enhancements (1)
- use cpu cores more efficently (#705) (3df5d8b)
🔧 Bug Fixes & Patches (5)
- import .mjs with vitestnode, decoupling vitenode from vitest (#689) (e561a1d)
- **snapshot:** received add prepareExpected (#711) (5a848c0)
- can mock workspace files (#712) (cdd18bf)
- fixed typescript error when calling assertion (#709) (4aa09c8)
- set mode as 'test', if it wasn't set (#713) (bf079d2)
📄 View Raw Release Notes (Original Developer Log)
### Bug Fixes
* import .mjs with vitestnode, decoupling vitenode from vitest ([#689](https://github.com/vitest-dev/vitest/issues/689)) ([e561a1d](https://github.com/vitest-dev/vitest/commit/e561a1d))
* **snapshot:** received add prepareExpected ([#711](https://github.com/vitest-dev/vitest/issues/711)) ([5a848c0](https://github.com/vitest-dev/vitest/commit/5a848c0))
* can mock workspace files ([#712](https://github.com/vitest-dev/vitest/issues/712)) ([cdd18bf](https://github.com/vitest-dev/vitest/commit/cdd18bf))
* fixed typescript error when calling assertion ([#709](https://github.com/vitest-dev/vitest/issues/709)) ([4aa09c8](https://github.com/vitest-dev/vitest/commit/4aa09c8))
* set mode as 'test', if it wasn't set ([#713](https://github.com/vitest-dev/vitest/issues/713)) ([bf079d2](https://github.com/vitest-dev/vitest/commit/bf079d2))
### Features
* export default config to expand it ([#702](https://github.com/vitest-dev/vitest/issues/702)) ([a70dcd3](https://github.com/vitest-dev/vitest/commit/a70dcd3))
### Performance Improvements
* use cpu cores more efficently ([#705](https://github.com/vitest-dev/vitest/issues/705)) ([3df5d8b](https://github.com/vitest-dev/vitest/commit/3df5d8b))