# Vitest v0.28.4 — Release & Upgrade Intelligence
- **Product:** Vitest (https://vitest.dev)
- **Version:** v0.28.4
- **Released:** Feb 03, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/vitest/updates/v0.28.4/

## Executive Summary (TL;DR)
Vitest v0.28.4. Source highlight: &nbsp;&nbsp;&nbsp;🐞 Bug Fixes

## Bug Fixes
- Setup correct utils inside asymmetric matchers &nbsp;-&nbsp; by @sheremet-va in https://github.com/vitest-dev/vitest/issues/2768 <samp>(415c8)</samp>
- Cjs exports has Object.prototype instead of null &nbsp;-&nbsp; by @sheremet-va in https://github.com/vitest-dev/vitest/issues/2769 <samp>(4fc49)</samp>
- Duplicate callbacks in vite-node HMR &nbsp;-&nbsp; by @jgoux in https://github.com/vitest-dev/vitest/issues/2792 <samp>(f0333)</samp>
- Do not include source files in `onWatcherStart` when `typecheck.ignoreSourceErrors` is true &nbsp;-&nbsp; by @mascii and @sheremet-va in https://github.com/vitest-dev/vitest/issues/2774 <samp>(d612e)</samp>
