Vitest v0.28.3 — 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.

Compatibility not verified — check source notes

📄 .MD

✨ Features 4 ⚡ Improvements 1 🔧 Bug Fixes 4

⚡ Executive Summary (TL;DR)

Vitest v0.28.3. 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)

Allow using atomics to communicate between threads  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/2758 <samp>(3679c)</samp>
Show active filename pattern on CLI  -  by @AriPerkkio <samp>(a0455)</samp>
Show active test name pattern on CLI  -  by @AriPerkkio <samp>(df7c4)</samp>
Allow `config` option to be false  -  by @antfu in https://github.com/vitest-dev/vitest/issues/2749 <samp>(c66e3)</samp>

⚡ Performance & Enhancements (1)

Don't import vite in worker  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/2759 <samp>(e49c1)</samp>

🔧 Bug Fixes & Patches (4)

Watch mode's filename pattern to persist on unrelated file changes  -  by @AriPerkkio <samp>(712ac)</samp>
Watch mode's filename pattern to persist re-run of failed tests, snapshot updates and testname filter changes  -  by @AriPerkkio <samp>(1c65a)</samp>
Dont incorrectly mark run failed if filename pattern excludes previously failed tests  -  by @AriPerkkio <samp>(61cf9)</samp>
**coverage**: Istanbul crashes when no tests were run  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/2753 <samp>(ebc95)</samp>

📄 View Raw Release Notes (Original Developer Log)

###    🚀 Features - Allow using atomics to communicate between threads  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/2758 [<samp>(3679c)</samp>](https://github.com/vitest-dev/vitest/commit/3679cf25) - Show active filename pattern on CLI  -  by @AriPerkkio [<samp>(a0455)</samp>](https://github.com/vitest-dev/vitest/commit/a0455917) - Show active test name pattern on CLI  -  by @AriPerkkio [<samp>(df7c4)</samp>](https://github.com/vitest-dev/vitest/commit/df7c410a) - Allow `config` option to be false  -  by @antfu in https://github.com/vitest-dev/vitest/issues/2749 [<samp>(c66e3)</samp>](https://github.com/vitest-dev/vitest/commit/c66e335b) ###    🐞 Bug Fixes - Watch mode's filename pattern to persist on unrelated file changes  -  by @AriPerkkio [<samp>(712ac)</samp>](https://github.com/vitest-dev/vitest/commit/712ac15b) - Watch mode's filename pattern to persist re-run of failed tests, snapshot updates and testname filter changes  -  by @AriPerkkio [<samp>(1c65a)</samp>](https://github.com/vitest-dev/vitest/commit/1c65ac48) - Dont incorrectly mark run failed if filename pattern excludes previously failed tests  -  by @AriPerkkio [<samp>(61cf9)</samp>](https://github.com/vitest-dev/vitest/commit/61cf9a7a) - **coverage**: Istanbul crashes when no tests were run  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/2753 [<samp>(ebc95)</samp>](https://github.com/vitest-dev/vitest/commit/ebc95add) ###    🏎 Performance - Don't import vite in worker  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/2759 [<samp>(e49c1)</samp>](https://github.com/vitest-dev/vitest/commit/e49c13fa) #####     [View changes on GitHub](https://github.com/vitest-dev/vitest/compare/v0.28.2...v0.28.3)

← Older Version Vitest v0.28.2 Newer Version → Vitest v0.28.4