# Vitest v0.12.1 — Release & Upgrade Intelligence
- **Product:** Vitest (https://vitest.dev)
- **Version:** v0.12.1
- **Released:** May 09, 2022
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/vitest/updates/v0.12.1/

## Executive Summary (TL;DR)
Vitest v0.12.1. Source highlight: fix `require` reference (5da8b00)

## New Features
- allow passing config to sinon/fake-timers (#1261) (d4e8060)

## Bug Fixes
- fix `require` reference (5da8b00)
- **console:** ignore empty stdout/stderr (d3fb532)
- clear mock from callstack, if mocked with factory (#1276) (7459ff8)
- don't show __vite_ssr prefix on imported variables (#1272) (a2f17b0)