⚠️ Breaking Change
Impact Score: 7/10
Vitest v0.18.0 — 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.
Breaking-change evidence from the source
🚨 Breaking Changes - TestSequencerConstructor typo - by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/1618
⚡ Executive Summary (TL;DR)
Vitest v0.18.0. Source highlight: 🚨 Breaking Changes
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.
⚠️ Breaking Changes & Deprecations (1)
- 🚨 Breaking Changes - TestSequencerConstructor typo - by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/1618
⚡ Performance & Enhancements (1)
- **reporter**: Move `ctx.log` to `ctx.logger.log`, improve log flicking - by @userquin and @antfu in https://github.com/vitest-dev/vitest/issues/1166
🔧 Bug Fixes & Patches (3)
- Show error message when cache failed to parse -
- Move cache state to `ctx.cache` - by @antfu <samp>(695a7)</samp>
- **reporter**: Clear previous state on rerun - by @antfu <samp>(f7148)</samp>
📄 View Raw Release Notes (Original Developer Log)
### 🚨 Breaking Changes
- TestSequencerConstructor typo - by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/1618
- **reporter**: Move `ctx.log` to `ctx.logger.log`, improve log flicking - by @userquin and @antfu in https://github.com/vitest-dev/vitest/issues/1166
### 🐞 Bug Fixes
- Show error message when cache failed to parse - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/1614
- Move cache state to `ctx.cache` - by @antfu [<samp>(695a7)</samp>](https://github.com/vitest-dev/vitest/commit/695a7a26)
- **reporter**: Clear previous state on rerun - by @antfu [<samp>(f7148)</samp>](https://github.com/vitest-dev/vitest/commit/f7148335)
##### [View changes on GitHub](https://github.com/vitest-dev/vitest/compare/v0.17.1...v0.18.0)