# Vitest v5.0.0 — Release & Upgrade Intelligence
- **Product:** Vitest (https://vitest.dev)
- **Version:** v5.0.0
- **Released:** Sep 03, 2026
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/vitest/updates/v5.0.0/
## Executive Summary (TL;DR)
Vitest v5.0.0. Source highlight: Vitest 5 is officially out! This release focuses on performance and brings a lot of new features while fixing long-standing bugs. See our blog post for the official announcement.
## Breaking Changes & Deprecations
- 🚨 Breaking Changes - Replace `loupe.inspect` with pretty-format - by @hi-ogawa, **Claude Opus 5 (1M context)** and **OpenAI Codex** in https://github.com/vitest-dev/vitest/issues/9609 [(3f802)](https://github.com/vitest-dev/vitest/commit/3f802da4b)
## New Features
- `toHaveTextContent` is strict, add `toMatchTextContent` as alternative - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10473 (18f30)
- Add `screenshotDirectory` config to `browser.expect.toMatchScreenshot` - by @macarie in https://github.com/vitest-dev/vitest/issues/10592 (a60de)
- Add better promise support in expects and matchers - by @samchungy and @sheremet-va in https://github.com/vitest-dev/vitest/issues/8266 (41f55)
- Add `createReport` and `.vitest` report directory convention - by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9993 (72a6d)
- Expose default reporters through `configDefaults.reporters` - by @hi-ogawa and **Claude Opus 5 (1M context)** in https://github.com/vitest-dev/vitest/issues/10219 (083f6)
- Support merge reports for non-sharded multi-environment runs (take 2) - by @hi-ogawa, **Claude Opus 5 (1M context)**, **OpenAI Codex** and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10031 (e60b2)
## Improvements
- Allow `thresholds.perFile` to accept an object - by @vladlenskiy and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10190 (13b78)
- Stringify diff objects only once - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10276 (d006a)
- Improve performance in hot paths - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10446 (03faf)
- Serve warm modules to workers in one round-trip, enable the node compile cache - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10708 (b144a)
- Make the Node compile cache opt-in, persist worker caches on teardown - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10742 (941bc)
- Reuse compiled code across vm pool contexts and prewarm the module graph - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10744 (d8b04)
## Bug Fixes
- Fix `toThrow("")` behavior by reverting #6710 - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9643 and https://github.com/vitest-dev/vitest/issues/6710 (6c3e4)
- Global `sequence.concurrent: true` with top-level `test(..., { concurrent: false })` + depreacte `sequential` test API and options - by @hi-ogawa, **OpenAI Codex** and @sheremet-va in https://github.com/vitest-dev/vitest/issues/10194 (9387f)
- Test `tags` options should overwrite inherited suite options + inherit suite options in `task` API - by @hi-ogawa and **OpenAI Codex** in https://github.com/vitest-dev/vitest/issues/10216 (457db)
- Udpate optimize deps config - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10223 (95dc6)
- Shell injection safety via github.ref_name in publish workflow - by @lloyd-c137 and **lloyd-c137** in https://github.com/vitest-dev/vitest/issues/10327 (dd020)
- Make `attachmentsDir` root only config - by @hi-ogawa and **OpenAI Codex** in https://github.com/vitest-dev/vitest/issues/10334 (fab1b)