# Vitest v0.5.1 — Release & Upgrade Intelligence
- **Product:** Vitest (https://vitest.dev)
- **Version:** v0.5.1
- **Released:** Feb 22, 2022
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/vitest/updates/v0.5.1/

## Executive Summary (TL;DR)
Vitest v0.5.1. Source highlight: add config.d.ts && change defineConfig function type (#830) (ac9c428)

## New Features
- **docs:** add pwa with auto update strategy (#573) (f5189fd)

## Bug Fixes
- add config.d.ts && change defineConfig function type (#830) (ac9c428)