# Vitest v1.5.1 — Release & Upgrade Intelligence
- **Product:** Vitest (https://vitest.dev)
- **Version:** v1.5.1
- **Released:** Apr 24, 2024
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/vitest/updates/v1.5.1/

## Executive Summary (TL;DR)
Vitest v1.5.1. Source highlight:    🚀 Features

## New Features
- **api**: `startVitest()` to accept `stdout` and `stdin` &nbsp;-&nbsp; by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/5493 <samp>(780b1)</samp>
- This is listed as a feature, but it doesn't increase the minor version because `startVitest` API is experimental and doesn't follow semver.

## Bug Fixes
- Close vite servers on all resolved projects &nbsp;-&nbsp; by @surc54 in https://github.com/vitest-dev/vitest/issues/5544 <samp>(413ec)</samp>
- Fix default `import.meta.env.PROD: false` &nbsp;-&nbsp; by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/5561 <samp>(9c649)</samp>
- Resolve cwd correctly when initiating projects &nbsp;-&nbsp; by @sheremet-va in https://github.com/vitest-dev/vitest/issues/5582 <samp>(ec9d7)</samp>
- Always run `onTestFinished` in reverse order &nbsp;-&nbsp; by @sheremet-va in https://github.com/vitest-dev/vitest/issues/5598 <samp>(23f29)</samp>
- Disable `fileParallelism` by default on browser pool &nbsp;-&nbsp; by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/5528 <samp>(5c69f)</samp>
- Dispose tester iframe on done &nbsp;-&nbsp; by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/5595 <samp>(b2135)</samp>