# Vitest v3.1.0 — Release & Upgrade Intelligence
- **Product:** Vitest (https://vitest.dev)
- **Version:** v3.1.0
- **Released:** Mar 31, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/vitest/updates/v3.1.0/

## Executive Summary (TL;DR)
Vitest v3.1.0. Source highlight: Introduce `%$` option to add number of the test to its title - by @kemuridama in https://github.com/vitest-dev/vitest/issues/7412 <samp>(df347)</samp>

## New Features
- Introduce `%$` option to add number of the test to its title - by @kemuridama in https://github.com/vitest-dev/vitest/issues/7412 <samp>(df347)</samp>
- Add `diff.maxDepth` option and set non-`Infinity` value as a default to reduce crash - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/7481 <samp>(eacab)</samp>
- Allow array element for `test.each/for` title formatting - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/7522 <samp>(ea3d6)</samp>
- Add "configureVitest" plugin hook - by @sheremet-va and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/7349 <samp>(20a5d)</samp>
- Support `--configLoader` CLI option - by @Carnageous and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/7574 <samp>(2a852)</samp>
- Added `vitest-browser-lit` to `vitest init browser` and docs - by @EskiMojo14 and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/7705 <samp>(5659a)</samp>

## Improvements
- **browser**: Fork jest-dom instead of bundling it - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/7605 <samp>(12762)</samp>

## Bug Fixes
- Update test stats regularly - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/7700 <samp>(b7953)</samp>
- Fix vm tests flakiness - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/7741 <samp>(2702c)</samp>
- Set `diff.expand: false` as default - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/7697 <samp>(f3420)</samp>
- Correctly calculate timeout in hooks when actions are performed - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/7747 <samp>(a5505)</samp>
- Update all non-major dependencies - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/7600 <samp>(7fc5a)</samp>
- `--hideSkippedTests` should hide suites too - by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/7695 <samp>(ba9b5)</samp>