# Vitest v0.5.0 — Release & Upgrade Intelligence
- **Product:** Vitest (https://vitest.dev)
- **Version:** v0.5.0
- **Released:** Feb 21, 2022
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/vitest/updates/v0.5.0/

## Executive Summary (TL;DR)
Vitest v0.5.0. Source highlight: `defineConfig` moved from `vitest/node` to `vitest/config`, #799

## Breaking Changes & Deprecations
- Breaking Change * `defineConfig` moved from `vitest/node` to `vitest/config`, #799

## New Features
- allow changing name pattern during watch mode (#819) (0b2bc38)

## Bug Fixes
- **config:** ui and api regression (#820) (e8468d2)
- global Event should be equal to env Event (#793) (6ca343a)
- process "data:" in import correctly (#823) (600ca80)