# Vitest v2.1.5 — Release & Upgrade Intelligence
- **Product:** Vitest (https://vitest.dev)
- **Version:** v2.1.5
- **Released:** Nov 13, 2024
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/vitest/updates/v2.1.5/

## Executive Summary (TL;DR)
Vitest v2.1.5. Source highlight: &nbsp;&nbsp;&nbsp;🐞 Bug Fixes

## Improvements
- Limit workspace project concurrency to available cores &nbsp;-&nbsp; by @sheremet-va in https://github.com/vitest-dev/vitest/issues/6869 <samp>(f4c04)</samp>

## Bug Fixes
- `dangerouslyIgnoreUnhandledErrors` without base reporter &nbsp;-&nbsp; by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/6808 <samp>(0bf0a)</samp>
- Capture `unhandledRejection` even when base reporter is not used &nbsp;-&nbsp; by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/6812 <samp>(8878b)</samp>
- Don't change the working directory when loading workspace projects &nbsp;-&nbsp; by @sheremet-va in https://github.com/vitest-dev/vitest/issues/6811 <samp>(f0aea)</samp>
- Remove `sequence.concurrent` from the `RuntimeConfig` type &nbsp;-&nbsp; by @sheremet-va in https://github.com/vitest-dev/vitest/issues/6880 <samp>(6af73)</samp>
- Stop the runner before restarting, restart on workspace config change &nbsp;-&nbsp; by @sheremet-va in https://github.com/vitest-dev/vitest/issues/6859 <samp>(b01df)</samp>
- Don't rerun on Esc or Ctrl-C during watch filter &nbsp;-&nbsp; by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/6895 <samp>(98f76)</samp>
