# Vitest v0.16.0 — Release & Upgrade Intelligence
- **Product:** Vitest (https://vitest.dev)
- **Version:** v0.16.0
- **Released:** Jun 24, 2022
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/vitest/updates/v0.16.0/

## Executive Summary (TL;DR)
Vitest v0.16.0. Source highlight:    🚨 Breaking Changes

## Breaking Changes & Deprecations
-    🚨 Breaking Changes - Rename mock types to match jest's [`#1525`](https://github.com/vitest-dev/vitest/issues/1525) by @sheremet-va

## New Features
- VITEST_POOL_ID cannot be the same between different running specs `#1531`

## Bug Fixes
- Align hooks return types with their behaviour `#1522`
- Replace ?& with ? when normalizing id `#1529`
- ToFilePath with abs path in root `#1538`