# Vitest v4.1.10 — Release & Upgrade Intelligence
- **Product:** Vitest (https://vitest.dev)
- **Version:** v4.1.10
- **Released:** Jul 06, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/vitest/updates/v4.1.10/

## Executive Summary (TL;DR)
Vitest v4.1.10. Source highlight:    🐞 Bug Fixes

## Bug Fixes
- **browser**: Check fs access in builtin commands [backport to v4] &nbsp;-&nbsp; by @hi-ogawa, **Hiroshi Ogawa** and **OpenCode (claude-opus-4-8)** in https://github.com/vitest-dev/vitest/issues/10680 <samp>(5c18d)</samp>
- **vm**: Fix external module resolve error with deps optimizer query for encoded URI [backport to v4] &nbsp;-&nbsp; by @SveLil and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10661 <samp>(bae52)</samp>