# Vitest v0.26.3 — Release & Upgrade Intelligence
- **Product:** Vitest (https://vitest.dev)
- **Version:** v0.26.3
- **Released:** Jan 01, 2023
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/vitest/updates/v0.26.3/

## Executive Summary (TL;DR)
Vitest v0.26.3. Source highlight:    🚀 Features

## New Features
- **mock**: Expose a `importOriginal` helper to the factory &nbsp;-&nbsp; by @antfu in https://github.com/vitest-dev/vitest/issues/2551 <samp>(853ee)</samp>

## Bug Fixes
- Correctly automock nested interoped defaults &nbsp;-&nbsp; by @sheremet-va in https://github.com/vitest-dev/vitest/issues/2559 <samp>(a431d)</samp>
- Start tracking module resolution as soon as possible for easier tracking &nbsp;-&nbsp; by @sheremet-va in https://github.com/vitest-dev/vitest/issues/2560 <samp>(9f41e)</samp>
- Don't hang when mocking module with circular dependency &nbsp;-&nbsp; by @sheremet-va in https://github.com/vitest-dev/vitest/issues/2572 <samp>(c479d)</samp>
- Show list of tests when typechecking &nbsp;-&nbsp; by @sheremet-va in https://github.com/vitest-dev/vitest/issues/2585 <samp>(32a57)</samp>
- **api**: Make api parse error stacks and return sourcePos in onTaskUpdate &nbsp;-&nbsp; by @adrienbaron in https://github.com/vitest-dev/vitest/issues/2563 <samp>(ef77d)</samp>
- **coverage**: Env-replacer to remove query params from sourcemaps filenames &nbsp;-&nbsp; by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/2584 <samp>(dba13)</samp>