@vitest/browser

Releases

1. 5.0.0-rc.217 Aug 2026pre-release
   Release notes

      🚀 Features

   • reporter: Add custom GitHub Actions summary title  -  by @heyJonBray and @macarie in #10891 (4363c)

      🐞 Bug Fixes

   • Revive global concurrency limit for test lifecycle  -  by @hi-ogawa, Hiroshi Ogawa, OpenCode (claude-opus-4-8) and @sheremet-va in #10928 (cf917)
   • Own the post-restart rerun, keep process.exit disabled in workers  -  by @sheremet-va in #10963 (5e69a)
   • Preserve correct root during resolve config  -  by @AriPerkkio and @sheremet-va in #10909 (210ba)
   • browser:
     • Trigger playwright/chromium gc on lower disk availability  -  by @hi-ogawa, Hiroshi Ogawa and OpenCode (claude-opus-4-8) in #10912 (032d3)
     • Disallow filter-only options in getBy* locators  -  by @arjun2075 in #10295 and #10933 (9b4df)
     • Fail instead of hanging when the browser stops responding  -  by @sheremet-va in #10956 (c496c)
     • Exit gracefully when the browser disconnects during cancellation  -  by @sheremet-va in #10962 (67e84)
     • Don't redirect vitest in client environment  -  by @sheremet-va in #10975 (aeb67)
   • deps:
     • Update all non-major dependencies  -  in #10966 (65263)
   • mocker:
     • Restrict redirect mocks to the fs allowlist  -  by @sheremet-va in #10972 (8ff9b)
   • pool:
     • Worker init to handle queued synchronous messages  -  by @lazerg and @AriPerkkio in #10932 (76096)
     • Report the worker exit instead of a pipe error that raced it  -  by @sheremet-va in #10964 (59a03)
   • reporters:
     • Display test.name in GitHub Actions reporter summary header  -  by @macarie in #10887 (49e24)
   • snapshot:
     • Support no-unsafe-eval CSP by evaluating snapshot files on server  -  by @hi-ogawa in #10665 (667c1)
   • ui:
     • Fix code editor error and annotations gadgets layout shifts  -  by @hi-ogawa, Hiroshi Ogawa and OpenCode (claude-opus-4-8) in #10969 (438ed)
     • Synchronize watch-run UI state on file removal  -  by @hi-ogawa, Hiroshi Ogawa and OpenCode (claude-opus-4-8) in #10941 (30c21)
     • Require auth for coverage report and all UI subtree requests  -  by @sheremet-va in #10971 (5622f)
   • utils:
     • Don't crash on a malformed inline source map  -  by @lazerg, Hiroshi Ogawa, OpenCode (claude-opus-4-8) and @hi-ogawa in #10892 and #10893 (fe790)
   • vitest:
     • Render non-Error causes from env setup so the actual diagnostic is not dropped  -  by @spokodev in #10567 (b298d)

       View changes on GitHub

   Open source →
2. 5.0.0-rc.111 Aug 2026pre-release
   Release notes

      🚨 Breaking Changes

   • Inline projects extend the root config by default  -  by @sheremet-va in #10750 (fec00)
   • Enable mocking Temporal without fake timers  -  by @fabon-f, Hiroshi Ogawa and OpenCode in #10757 (ac2d4)
   • Support nested projects  -  by @sheremet-va in #10846 (ec367)
   • Use > as separator in -t, calculate only once  -  by @sheremet-va in #10686 (a0b20)
   • Fail the test when an asynchronous assertion is not awaited  -  by @sheremet-va in #10868 (86d4a)
   • Share the Vite server between inline projects  -  by @sheremet-va in #10848 (d87c9)
   • browser: Save failure screenshots in attachmentsDir  -  by @macarie in #10917 (3b5bb)
   • spy: Preserve class mock prototype methods on instances  -  by @sheremet-va in #10910 (6093d)
   • types: Add better promise support in expects and matchers  -  by @samchungy and @sheremet-va in #8266 (41f55)

      🚀 Features

   • Report the duration breakdown as percentages  -  by @sheremet-va and @AriPerkkio in #10820 (c67d2)
   • cli: Support -p shorthand for --project  -  by @sheremet-va in #10826 (1addd)
   • vm: Support require(esm) in vm pools  -  by @sheremet-va in #10829 (01298)

      🐞 Bug Fixes

   • Coalesce concurrent watch-mode restarts, deflake the pool stderr fixture  -  by @sheremet-va in #10822 (a31f8)
   • Prevent vitest --typecheck from reporting a false success when the tsc process crashes  -  by @hitenkalda and Hiten Kalda in #10705 (a1b05)
   • Collect in-source tests when the module is cached  -  by @koutaro-masaki in #10577 and #10589 (a7bf2)
   • Swap replace() arguments so timeout error stack shows the real message  -  by @lazerg in #10875 (aba0f)
   • Stale mock metadata breaks automocking with isolate:false  -  by @kade-robertson in #10145 and #10541 (8e210)
   • Don't lose worker output on teardown, deflake timing-sensitive tests  -  by @sheremet-va in #10842 (1216b)
   • browser:
     • Ignore channel events in a tester opened as a top-level window  -  by @simshanith in #9379 and #9381 (46a3c)
     • Resolve connectTimeout from the project config  -  by @lazerg in #10879 and #10880 (62c79)
     • Prebundle vite module runner with vitest  -  by @lebovvskii and @sheremet-va in #10836 and #10856 (37c24)
     • Restore dependency reload warning  -  by @hi-ogawa, Hiroshi Ogawa and OpenCode in #10913 (90d69)
     • Configure internal optimizer dependencies  -  by @hi-ogawa, Hiroshi Ogawa and OpenCode in #10915 (a72f4)
   • cache:
     • Improve fsModuleCache resiliency during external modifications  -  by @jszumski in #10869 (5eb35)
   • cli:
     • Exit on CTRL+c even when globalSetup runs blocked code  -  by @AriPerkkio in #10863 (d568f)
   • deps:
     • Update all non-major dependencies  -  by @sheremet-va in #9958 (7faa7)
     • Update all non-major dependencies  -  by @sheremet-va in #10861 (0188c)
     • Update all non-major dependencies  -  by @sheremet-va in #10898 (61c4b)
   • expect:
     • Handle nullish toHaveProperty values  -  by @liyimil in #10735 and #10811 (99e59)
   • reporters:
     • Print parent describe suites when the passed-test list is hidden  -  by @ChihebBENCHEIKH1, Chiheb Bencheikh and @sheremet-va in #10606 and #10768 (658af)
   • runner:
     • Don't fail collection when accessing error.stack throws  -  by @sheremet-va in #10839 (202e2)
   • spy:
     • Point ESM namespace spy error to module mocking docs  -  by @ryandiginomad and Ryan Tang in #10707 (d6cec)
   • typecheck:
     • Report a checker crash on Windows instead of a spawn failure  -  by @sheremet-va in #10907 (77aac)
   • vitest:
     • Remove broken "./src/*" export from package.json  -  by @sheremet-va in #10918 (2e5df)
   • vm:
     • Stop retaining every finished test file in vm pool workers  -  by @sheremet-va in #10854 (38503)

      🏎 Performance

   • Lowers peak memory usage when using --changed on a large graph  -  by @jszumski in #10866 (9f23f)
   • browser: Serve framework assets as immutable  -  by @sheremet-va in #10729 (7af87)

       View changes on GitHub

   Open source →
3. 5.0.0-beta.724 Jul 2026pre-release
   Release notes

      🚨 Breaking Changes

   • Separate config resolution from the server creation  -  by @sheremet-va in #10554 (1c0ec)

      🚀 Features

   • Add toggable injectCjsGlobals option  -  by @sheremet-va in #10709 (82671)
   • Promote fsModuleCache to a top-level option  -  by @sheremet-va in #10734 (78ed7)
   • Support non-ascii characters in for/each title placeholders  -  by @k-yle in #10773 (15e0a)
   • benchmark: Add pluggable benchmark provider API  -  by @GuillaumeLagrange and @sheremet-va in #10799 (86c70)

      🐞 Bug Fixes

   • Disable server HMR before plugins read it in their config hook  -  by @sheremet-va in #10731 (e060b)
   • Close the pool before the Vite servers  -  by @sheremet-va in #10725 (96fa6)
   • Remove listeners in the typecheck worker's off  -  by @sheremet-va in #10741 (d758b)
   • Keep per-file isolation in vm pools when maxWorkers is 1  -  by @sheremet-va in #10743 (83ab9)
   • Node.js 20 deprecation warning for ci.yml  -  by @hirehamir in #10759 (2127f)
   • Prevent node builtins double prefix  -  by @malobre in #10630 and #10767 (22d35)
   • Set non-zero exit code when teardown throws during close  -  by @zakcutner and @AriPerkkio in #10794 (22116)
   • Don't race the typechecker spawn grace period on windows  -  by @xevrion in #10814 (b19e5)
   • browser:
     • Preserve pre-transform request defaults  -  by @sheremet-va in #10748 (b6060)
     • Fix error stacktrace location off-by-one  -  by @hi-ogawa, Hiroshi Ogawa and OpenCode in #10724 (62b8d)
     • Inlined awaited import should not trigger syntax error after transform  -  by @smeng9, Shaoyu Meng and Claude Opus 4.8 (1M context) in #10784 (51acd)
     • Mock window.print to avoid hanging  -  by @aaravjaichand in #7375 and #10798 (66d95)
   • pool:
     • Vm pools to respect cgroupsv2 memory limit  -  by @milas in #10721 (3923c)

      🏎 Performance

   • Serve warm modules to workers in one round-trip, enable the node compile cache  -  by @sheremet-va in #10708 (b144a)
   • Make the Node compile cache opt-in, persist worker caches on teardown  -  by @sheremet-va in #10742 (941bc)
   • Reuse compiled code across vm pool contexts and prewarm the module graph  -  by @sheremet-va in #10744 (d8b04)
   • Bundle vitest's own dependencies  -  by @sheremet-va in #10685 (c0508)
   • browser:
     • Open browser sessions adaptively instead of maxWorkers upfront  -  by @sheremet-va in #10726 (6db8d)
     • Cut per-file round trips  -  by @sheremet-va in #10730 (3feef)
     • Stop serving framework sourcemaps in headless runs  -  by @sheremet-va in #10728 (6aefb)
     • Prewarm the browser while the Vite server starts  -  by @sheremet-va in #10727 (c1767)
     • Pre-bundle the vitest runtime in optimizeDeps  -  by @sheremet-va in #10713 (de631)
   • coverage:
     • Speed up v8 report generation (bounded-memory merge + precompiled globs)  -  by @toxik, Claude Opus 4.8 (1M context) and @AriPerkkio in #10506 (b05e5)
     • Reduce RPC data and unnecessary serializations  -  by @AriPerkkio in #10781 (7e7e3)

       View changes on GitHub

   Open source →
4. 5.0.0-beta.66 Jul 2026pre-release
   Release notes

      🚨 Breaking Changes

   • Add screenshotDirectory config to browser.expect.toMatchScreenshot  -  by @macarie in #10592 (a60de)
   • Update @sinonjs/fake-timers and support mocking Temporal  -  by @hi-ogawa, Hiroshi Ogawa and OpenCode (claude-opus-4-8) in #10654 (f8b15)
   • Remove webdriverio package  -  by @sheremet-va in #10675 (5fed6)
   • Clear mocks by default before each test  -  by @sheremet-va in #10613 (0f646)
   • Don't emit localStorage warnings on Node 26, fail gracefully when worker fails to start  -  by @sheremet-va in #10293 (334ed)
   • reporters:
     • Write json and junit reporter output files to .vitest by default  -  by @hi-ogawa, Hiroshi Ogawa, OpenCode (claude-opus-4-8) and @AriPerkkio in #10621 (58577)
   • ui:
     • Harden UI API access  -  by @hi-ogawa, Hiroshi Ogawa and Codex in #10583 (4c26d)
     • Change html reporter default output to .vitest  -  by @hi-ogawa and Hiroshi Ogawa in #10620 (29c36)

      🚀 Features

   • vitest: Create vi.when()  -  by @macarie in #10174 (3900e)

      🐞 Bug Fixes

   • Fix setImmediate await in detect-async-leak  -  by @hi-ogawa and Hiroshi Ogawa in #10608 (dd62b)
   • Fix per-project sequence config  -  by @hi-ogawa, Hiroshi Ogawa and OpenCode (claude-opus-4-8) in #10659 (40cdc)
   • Add handshake timeout to iframe communication  -  by @sheremet-va in #10656 (3545f)
   • Don't print column in test names when includeTaskLocation is enabled  -  by @sheremet-va in #10681 (bd9cc)
   • browser:
     • Always derive a positive locator action timeout  -  by @sheremet-va in #10626 (5b864)
     • Resize the browser ui only if it's not headless  -  by @sheremet-va in #10662 (b5c61)
     • Check fs access in builtin commands  -  by @hi-ogawa, Hiroshi Ogawa and OpenCode (claude-opus-4-8) in #10674 (33f96)
   • coverage:
     • Non-awaited module imports cause wrong offsets  -  by @AriPerkkio in #10643 (c4090)
     • Fail fast when coverage.reportsDirectory conflicts between concurrent runs  -  by @jgamaraalv and @AriPerkkio in #10466 (833f0)
   • pool:
     • Improve error message when worker exits unexpectedly  -  by @filmaj and @AriPerkkio in #10587 (76139)
   • types:
     • Allow changed in configuration options  -  by @AriPerkkio in #10651 (0da12)
   • vm:
     • Fix external module resolve error with deps optimizer query for encoded URI  -  by @SveLil in #10658 (90c4e)

       View changes on GitHub

   Open source →
5. 5.0.0-beta.515 Jun 2026pre-release
   Release notes

      🚨 Breaking Changes

   • Don't lookup config file from ancestor directories  -  by @hi-ogawa, Codex and Hiroshi Ogawa in #10428 (945d9)
   • Inline @vitest/runner package, do not publish it anymore  -  by @sheremet-va in #10511 (6d6e4)
   • Allow mutating happy-dom/jsdom window object  -  by @hi-ogawa, Hiroshi Ogawa and Codex in #10373 (206e8)
   • Expose concurrencyId/workerId on TestModule's diagnostics, make id 1-based  -  by @sheremet-va in #10516 (bdd98)
   • browser: Require sessionId for orchestrator html request  -  by @hi-ogawa, Hiroshi Ogawa and Codex in #10522 (79b7d)
   • coverage: Allow thresholds.perFile to accept an object  -  by @vladlenskiy and @AriPerkkio in #10190 (13b78)

      🚀 Features

   • browser: Display nested mark trace in UI  -  by @hi-ogawa, Hiroshi Ogawa and Codex in #10437 (86ffc)
   • cli: Add --repeats CLI option  -  by @todor-a in #10504 (ee48b)
   • coverage: thresholds.autoUpdate to receive previous threshold as argument  -  by @wouterkroes in #10495 (04f81)

      🐞 Bug Fixes

   • Fix mixed stdout/stderr log timestamps in onUserConsoleLog  -  by @Copilot, Hiroshi Ogawa, @hi-ogawa and @sheremet-va in #10308 (62756)
   • Fix importOriginal with optimizer and query import  -  by @davidhwilliams, David Harris, @hi-ogawa, Hiroshi Ogawa and Codex in #10469 (6a3bb)
   • Correct transform time calculation in merged report  -  by @potatomatoooo and @hi-ogawa in #10570 and #10578 (b7897)
   • browser:
     • Wait for orchestrator readiness before resolving browser sessions  -  by @soconnor-seeq in #10397 (fe5ed)
     • Wait for iframe tester readiness before preparing  -  by @soconnor-seeq in #10497 (f2655)
     • Encode iframeId in tester iframe URL  -  by @Pduhard, Pduhard and Claude Opus 4.8 (1M context) in #10520 and #10521 (c8bf1)
   • coverage:
     • Avoid matching sibling project roots  -  by @innoprej, Shin JaeHee and @AriPerkkio in #10311 (e30dd)
   • mocker:
     • Hoist vi.mock() for vite-plus/test imports  -  by @Brooooooklyn and Claude Opus 4.8 (1M context) in #10489 (88376)
   • pool:
     • Prevent test run hang on worker crash  -  by @jaxalo and @AriPerkkio in #10543 (40878)
   • vitest:
     • Strip non-serializable functions from inline diff config  -  by @DucMinhNe in #10573 (5b81a)

       View changes on GitHub

   Open source →
6. 5.0.0-beta.41 Jun 2026pre-release
   Release notes

      🚨 Breaking Changes

   • Throw an error if hoistable methods are outside the top level scope  -  by @sheremet-va in #10460 (d0b4f)
   • toHaveTextContent is strict, add toMatchTextContent as alternative  -  by @sheremet-va in #10473 (18f30)
   • benchmark: Rewrite the public API  -  by @sheremet-va in #10113 (19f6e)
   • browser: Enable locators.exact by default  -  by @sheremet-va in #10430 (e2032)

      🚀 Features

   • browser: Show trace view steps in editor panel  -  by @hi-ogawa and Codex in #10404 (8c4b6)
   • reporter: Support html reporter single file output  -  by @hi-ogawa, Codex and Claude Opus 4.7 (1M context) in #10235 (f757e)

      🐞 Bug Fixes

   • Preserve vi.defineHelper callsite for async error stack  -  by @macayu17 and @hi-ogawa in #10415 (ac697)
   • Respect disableConsoleIntercept in browser mode  -  by @Copilot, hi-ogawa, @hi-ogawa and Codex in #10391 (66110)
   • ForceRerunTriggers uses directory globs against files  -  by @Patrick-Clausen and Patrick Clausen in #10421 and #10420 (4fee2)
   • Unify typechecking and ast collection  -  by @sheremet-va in #10449 (af993)
   • Don't print typecheck warning more than once  -  by @sheremet-va in #10461 (15275)
   • Correct collumn when parsing tests  -  by @sheremet-va in #10467 (7c2fc)
   • browser:
     • Fix stale source map on watch mode  -  by @hi-ogawa in #10389 (6d772)
     • Escape inline orchestrator scripts  -  by @hi-ogawa and Codex in #10412 (c22cf)
     • Disable client cdp API when allowWrite/allowExec: false  -  by @hi-ogawa and Codex in #10444 (63e3b)
   • mocker:
     • Skip hoist transform without ast mock calls  -  by @hi-ogawa and Codex in #10410 (0468e)
   • ui:
     • Fix module graph in browser mode with --ui  -  by @hi-ogawa in #10386 (3003c)
     • Render ANSI color codes in editor panel inline error widget  -  by @Copilot, hi-ogawa and @hi-ogawa in #10418 (766b8)
   • webdriverio:
     • Allow gpu in headless chrome  -  by @rotempasharel1 in #10376 (f310a)

      🏎 Performance

   • Improve performance in hot paths  -  by @sheremet-va in #10446 (03faf)

       View changes on GitHub

   Open source →
7. 5.0.0-beta.319 May 2026pre-release
   Release notes

      🚨 Breaking Changes

   • Require Node.js 22 and Vite 6.4  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10178 <samp>(38762)</samp>
   • Fail expect.poll when function didn't resolve in time  -  by @hi-ogawa and Codex in https://github.com/vitest-dev/vitest/issues/10233 <samp>(4df04)</samp>

      🚀 Features

   • Support typescript build mode  -  by @lishaduck in https://github.com/vitest-dev/vitest/issues/9870 <samp>(106da)</samp>
   • api:
     • Expose logs recorded during the test  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10277 <samp>(cba20)</samp>
   • browser:
     • Show aria tree on locator element error  -  by @hi-ogawa and Codex in https://github.com/vitest-dev/vitest/issues/10257 <samp>(04f04)</samp>
     • Support custom kind in page.mark  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10302 <samp>(053e8)</samp>
     • Live update trace view on watch UI  -  by @hi-ogawa and Codex in https://github.com/vitest-dev/vitest/issues/10296 <samp>(78c11)</samp>
     • Add context.mark for custom command tracing  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10329 <samp>(aa514)</samp>

      🐞 Bug Fixes

   • 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 <samp>(dd020)</samp>
   • Make attachmentsDir root only config  -  by @hi-ogawa and Codex in https://github.com/vitest-dev/vitest/issues/10334 <samp>(fab1b)</samp>
   • Apply cjs interop for truthy __esModule  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10363 <samp>(2b135)</samp>
   • browser:
     • Simplify orchestrator otel carrier  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10283 <samp>(3514f)</samp>
     • Remove orphaned Playwright route when same module is mocked via multiple ids  -  by @Zelys-DFKH in https://github.com/vitest-dev/vitest/issues/9957 and https://github.com/vitest-dev/vitest/issues/10267 <samp>(41db6)</samp>
     • Skip wrapDynamicImport transform on ssr environment  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10355 <samp>(d3c96)</samp>
   • cli:
     • Respect FORCE_COLOR over agent detection  -  by @dokson in https://github.com/vitest-dev/vitest/issues/10272 <samp>(7e66b)</samp>
   • coverage:
     • exclude to not inherit negation globs from test.include  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10299 <samp>(28685)</samp>
   • deps:
     • Update fake-timers to 15.3.2. support toNotFake  -  by @BPScott, @hi-ogawa and Codex in https://github.com/vitest-dev/vitest/issues/10043 <samp>(bbf2f)</samp>
   • expect:
     • Allow readonly arrays and sets in toBeOneOf  -  by @YBJ0000 in https://github.com/vitest-dev/vitest/issues/10264 and https://github.com/vitest-dev/vitest/issues/10374 <samp>(fed11)</samp>
   • junit:
     • Include unhandled errors in JUnit XML report  -  by @gbleu and Claude Sonnet 4.6 in https://github.com/vitest-dev/vitest/issues/10244 <samp>(6f74e)</samp>
   • reporter:
     • Guard against non-finite slowTestThreshold in summary reporter  -  by @OfekDanny, Ofek Danny, Claude Sonnet 4.6 and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10202 <samp>(f362f)</samp>
     • Fix non-existing import subpath module blob serialization  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10318 <samp>(29cb0)</samp>
   • reporters:
     • Fix blob file name with label  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10346 <samp>(c5e2e)</samp>
     • summary to intercept logger's streams even when they are not process.std* streams  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10340 <samp>(f79e7)</samp>
     • Fix missing testModules in onTestRunEnd when merging blobs from different root directory test runs  -  by @hi-ogawa and Codex in https://github.com/vitest-dev/vitest/issues/10348 <samp>(745b3)</samp>
   • runner:
     • Remove AbortSignal listener leak in withCancel  -  by @tomohiro86 and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10265 <samp>(ab098)</samp>
   • ui:
     • Fix duplicate colored error message  -  by @hi-ogawa and Codex in https://github.com/vitest-dev/vitest/issues/10258 <samp>(035e3)</samp>
     • Fix missing source code in html reporter metadata when merging blobs with different root directory test runs  -  by @hi-ogawa and Codex in https://github.com/vitest-dev/vitest/issues/10338 <samp>(4f7c2)</samp>

      🏎 Performance

   • Stringify diff objects only once  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10276 <samp>(d006a)</samp>
   • browser: Reduce matching screenshot overhead  -  by @kasperpeulen in https://github.com/vitest-dev/vitest/issues/10278 <samp>(511c0)</samp>

       View changes on GitHub

   Open source →
8. 5.0.0-beta.25 May 2026pre-release
   Release notes

      🚨 Breaking Changes

   • Default attachmentsDir from .vitest-attachements/ to .vitest/attachments/  -  by @MdSadiqMd in https://github.com/vitest-dev/vitest/issues/10186 <samp>(1ba73)</samp>
   • Remove sequential test/suite options in favor of concurrent  -  by @hi-ogawa and Codex in https://github.com/vitest-dev/vitest/issues/10198 <samp>(9229f)</samp>
   • Represent locator as an object instead of a string  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10212 <samp>(80f07)</samp>
   • Inline expect package  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10221 <samp>(ad162)</samp>
   • Remove deprecated entry points  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10222 <samp>(994c6)</samp>
   • mocker: Deserialize automock as automock  -  by @nami8824 in https://github.com/vitest-dev/vitest/issues/10192 <samp>(2f892)</samp>
   • reporters: blob reporter and --merge-reports default to .vitest/blob/  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10232 <samp>(d22b0)</samp>

      🚀 Features

   • Expose default reporters through configDefaults.reporters  -  by @hi-ogawa and Claude Sonnet 4.6 in https://github.com/vitest-dev/vitest/issues/10219 <samp>(083f6)</samp>
   • Support merge reports for non-sharded multi-environment runs (take 2)  -  by @hi-ogawa, Claude Sonnet 4.6, Codex and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10031 <samp>(e60b2)</samp>
   • Add logger.formatError  -  by @hi-ogawa and Codex in https://github.com/vitest-dev/vitest/issues/10268 <samp>(2c5f3)</samp>
   • browser: Provide project reference in ToMatchScreenshotResolvePath  -  by @macarie and @sheremet-va in https://github.com/vitest-dev/vitest/issues/10138 <samp>(16654)</samp>
   • coverage: V8 to track node:child_process and node:worker_threads contexts  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9976 <samp>(9baa5)</samp>
   • junit-reporter: Add jest-junit-compatible naming options  -  by @neumaennl, neumaennl, @neumann4soft and Copilot in https://github.com/vitest-dev/vitest/issues/10189 <samp>(27393)</samp>

      🐞 Bug Fixes

   • Global sequence.concurrent: true with top-level test(..., { concurrent: false }) + depreacte sequential test API and options  -  by @hi-ogawa, Codex and @sheremet-va in https://github.com/vitest-dev/vitest/issues/10194 <samp>(9387f)</samp>
   • Test tags options should overwrite inherited suite options + inherit suite options in task API  -  by @hi-ogawa and Codex in https://github.com/vitest-dev/vitest/issues/10216 <samp>(457db)</samp>
   • Udpate optimize deps config  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10223 <samp>(95dc6)</samp>
   • browser:
     • Fix trace highlight of shadow dom on webdriverio  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10227 <samp>(b01af)</samp>
   • deps:
     • Update ivya to fix empty aria tree snapshot  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10218 <samp>(f7822)</samp>
   • runner:
     • Propagate chainable flags in describe.for  -  by @DORI2001, Dor Alagem and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10187 <samp>(db678)</samp>
     • Limit concurrency per task branch in addition to per leaf callbacks  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10179 <samp>(3112a)</samp>
   • snapshot:
     • Treat empty string as valid snapshot  -  by @mayrang and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10188 <samp>(e145d)</samp>
   • spy:
     • Support private method spy types  -  by @cyphercodes in https://github.com/vitest-dev/vitest/issues/10172 and https://github.com/vitest-dev/vitest/issues/10213 <samp>(628ab)</samp>

       View changes on GitHub

   Open source →
9. 5.0.0-beta.123 Apr 2026pre-release
   Release notes

      🚨 Breaking Changes

   • Replace loupe.inspect with pretty-format  -  by @hi-ogawa, Claude Sonnet 4.6 and Codex in https://github.com/vitest-dev/vitest/issues/9609 <samp>(3f802)</samp>
   • Remove quotes from string values in test.for/each title $ variable (take 2)  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10170 <samp>(04d37)</samp>
   • browser: Iframe scale  -  by @macarie in https://github.com/vitest-dev/vitest/issues/9745 <samp>(b6398)</samp>
   • coverage: include/exclude globs too eager  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9818 <samp>(edacb)</samp>
   • expect: 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 <samp>(6c3e4)</samp>

      🚀 Features

   • Add createReport and .vitest report directory convention  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9993 <samp>(72a6d)</samp>
   • browser:
     • Export aria tree utils  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10171 <samp>(c3423)</samp>
     • Support dom snapshot trace view  -  by @hi-ogawa, Claude Sonnet 4.6 and Codex in https://github.com/vitest-dev/vitest/issues/10102 <samp>(7eddd)</samp>

      🐞 Bug Fixes

   • snapshot: Fail test when snapshot assertion is used with test.fails  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10090 <samp>(e1aa7)</samp>

       View changes on GitHub

   Open source →
10. 4.1.1118 Aug 2026
    Release notes

       🐞 Bug Fixes

    • Revive global concurrency limit for test lifecycle [backport to v4]  -  by @sheremet-va and @hi-ogawa in #10992 (5146d)
    • browser:
      • Encode iframeId in tester iframe URL [backport to v4]  -  by @sheremet-va, Pduhard and Claude Opus 4.8 in #10955 (10b2c)
      • Trigger playwright/chromium gc on lower disk availability [backport to v4]  -  by @hi-ogawa, Hiroshi Ogawa and OpenCode in #10951 (9851d)
    • mocker:
      • Restrict redirect mocks to the fs allowlist [backport to v4]  -  by @sheremet-va in #10974 (fe5a1)

        View changes on GitHub

    Open source →
11. 4.1.106 Jul 2026
    Release notes

       🐞 Bug Fixes

    • browser: Check fs access in builtin commands [backport to v4]  -  by @hi-ogawa, Hiroshi Ogawa and OpenCode (claude-opus-4-8) in #10680 (5c18d)
    • vm: Fix external module resolve error with deps optimizer query for encoded URI [backport to v4]  -  by @SveLil and @hi-ogawa in #10661 (bae52)

        View changes on GitHub

    Open source →
12. 4.1.915 Jun 2026
    Release notes

    🐞 Bug Fixes

    • Fix importOriginal with optimizer and query import [backport to v4] - by Hiroshi Ogawa, David Harris, Codexand Vladimir in #10546 (a5180)
    • browser:
      • Wait for orchestrator readiness before resolving browser sessions [backport to v4] - by Vladimir and Séamus O'Connor in #10555 (7fb29)
      • Wait for iframe tester readiness before preparing [backport to v4] - by Vladimir and Séamus O'Connor in #10497 and #10556 (fbc62)
    • mocker:
      • Hoist vi.mock() for vite-plus/test imports [backport to v4] - by Hiroshi Ogawa, LongYinan, Claude Opus 4.8 and Vladimir in #10548 (2c955)
    • pool:
      • Prevent test run hang on worker crash [backport to v4] - by Ari Perkkiö and Jattioui Ismail in #10543 and #10564 (934b0)

    View changes on GitHub

    Open source →
13. 4.1.81 Jun 2026
    Release notes

       🐞 Bug Fixes

    • browser:
      • Disable client cdp API when allowWrite/allowExec: false [backport to v4]  -  by @hi-ogawa and Codex in https://github.com/vitest-dev/vitest/issues/10450 <samp>(e4067)</samp>
      • Remove orphaned Playwright route when same module is mocked via multiple ids [backport to v4]  -  by @toxik and @Zelys-DFKH in https://github.com/vitest-dev/vitest/issues/10474 <samp>(675b4)</samp>

        View changes on GitHub

    Open source →
14. 4.1.720 May 2026
    Release notes

       🐞 Bug Fixes

    • runner: Limit concurrency per task branch in addition to per leaf callbacks (backport)  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10384 <samp>(4f0f2)</samp>

        View changes on GitHub

    Open source →
15. 4.1.611 May 2026
    Release notes

       🐞 Bug Fixes

    • browser: Provide project reference in ToMatchScreenshotResolvePath  -  by @macarie and @sheremet-va in https://github.com/vitest-dev/vitest/issues/10138 <samp>(31882)</samp>
    • Global sequence.concurrent: true with top-level test(..., { concurrent: false }) + depreacte sequential test API and options  -  by @hi-ogawa, Codex and @sheremet-va in https://github.com/vitest-dev/vitest/issues/10196 <samp>(2847d)</samp>
    • browser: Simplify orchestrator otel carrier  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10285 <samp>(18af9)</samp>

       🏎 Performance

    • Stringify diff objects only once  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10276 <samp>(9f7b1)</samp>

        View changes on GitHub

    Open source →
16. 4.1.521 Apr 2026
    Release notes

       🚀 Experimental Features

    • coverage: Istanbul to support instrumenter option  -  by @BartWaardenburg and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10119 <samp>(0e0ff)</samp>

       🐞 Bug Fixes

    • --project negation excludes browser instances  -  by @felamaslen in https://github.com/vitest-dev/vitest/issues/10131 <samp>(9423d)</samp>
    • Project color label on html reporter  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10142 <samp>(596f7)</samp>
    • Fix vi.defineHelper called as object method  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10163 <samp>(122c2)</samp>
    • Alias agent reporter to minimal  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10157 <samp>(663b9)</samp>
    • Respect diff config options in soft assertions  -  by @Copilot, sheremet-va and @sheremet-va in https://github.com/vitest-dev/vitest/issues/8696 <samp>(9787d)</samp>
    • Respect diff config options in soft assertions "  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8696 <samp>(7dc6d)</samp>
    • ast-collect: Recognize _vi_import prefix in static test discovery  -  by @Yejneshwar in https://github.com/vitest-dev/vitest/issues/10129 <samp>(32546)</samp>
    • coverage: Descriptive error message when reports directory is removed during test run  -  by @DaveT1991 and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10117 <samp>(14133)</samp>
    • snapshot: Increase default snapshot max output length  -  by @hi-ogawa and Codex in https://github.com/vitest-dev/vitest/issues/10150 <samp>(21e66)</samp>
    • ui: Fix jsx/tsx syntax highlight  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10152 <samp>(f1b1f)</samp>
    • web-worker: Support MessagePort objects referenced inside postMessage data  -  by @whitphx and Claude Opus 4.6 (1M context) in https://github.com/vitest-dev/vitest/issues/9927 and https://github.com/vitest-dev/vitest/issues/10124 <samp>(7ad7d)</samp>
    • api: Make test-specification options writable  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10154 <samp>(6abd5)</samp>

        View changes on GitHub

    Open source →
17. 4.1.49 Apr 2026
    Release notes

       🚀 Experimental Features

    • coverage:
      • Default to text reporter skipFull if agent detected  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10018 <samp>(53757)</samp>
    • experimental:
      • Expose assertion as a public field  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10095 <samp>(a120e)</samp>
      • Support aria snapshot  -  by @hi-ogawa, Claude Opus 4.6 (1M context), @AriPerkkio, Codex and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9668 <samp>(d4fbb)</samp>
    • reporter:
      • Add filterMeta option to json reporter  -  by @nami8824 and @sheremet-va in https://github.com/vitest-dev/vitest/issues/10078 <samp>(b77de)</samp>

       🐞 Bug Fixes

    • Use "black" foreground for labeled terminal message to ensure contrast  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10076 <samp>(203f0)</samp>
    • Make expect(..., message) consistent as error message prefix  -  by @hi-ogawa and Codex in https://github.com/vitest-dev/vitest/issues/10068 <samp>(a1b5f)</samp>
    • Do not hoist imports whose names match class properties .  -  by @SunsetFi in https://github.com/vitest-dev/vitest/issues/10093 and https://github.com/vitest-dev/vitest/issues/10094 <samp>(0fc4b)</samp>
    • browser: Spread user server options into browser Vite server in project  -  by @GoldStrikeArch in https://github.com/vitest-dev/vitest/issues/10049 <samp>(65c9d)</samp>

        View changes on GitHub

    Open source →
18. 4.1.37 Apr 2026
    Release notes

       🚀 Experimental Features

    • Add experimental.preParse flag  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10070 <samp>(78273)</samp>
    • Support browser.locators.exact option  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10013 <samp>(48799)</samp>
    • Add TestAttachment.bodyEncoding  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9969 <samp>(89ca0)</samp>
    • Support custom snapshot matcher  -  by @hi-ogawa, Claude Sonnet 4.6 and Codex in https://github.com/vitest-dev/vitest/issues/9973 <samp>(59b0e)</samp>

       🐞 Bug Fixes

    • Advance fake timers with expect.poll interval  -  by @hi-ogawa and Claude Sonnet 4.6 in https://github.com/vitest-dev/vitest/issues/10022 <samp>(3f5bf)</samp>
    • Add @vitest/coverage-v8 and @vitest/coverage-istanbul as optional dependency  -  by @alan-agius4 in https://github.com/vitest-dev/vitest/issues/10025 <samp>(146d4)</samp>
    • Fix defineHelper for webkit async stack trace + update playwright 1.59.0  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10036 <samp>(5a5fa)</samp>
    • Fix suite hook throwing errors for unused auto test-scoped fixture  -  by @hi-ogawa and Claude Sonnet 4.6 in https://github.com/vitest-dev/vitest/issues/10035 <samp>(39865)</samp>
    • expect:
      • Remove JestExtendError.context from verbose error reporting  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9983 <samp>(66751)</samp>
      • Don't leak "runner" types  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10004 <samp>(ec204)</samp>
    • snapshot:
      • Fix flagging obsolete snapshots for snapshot properties mismatch  -  by @hi-ogawa and Claude Sonnet 4.6 in https://github.com/vitest-dev/vitest/issues/9986 <samp>(6b869)</samp>
      • Export custom snapshot matcher helper from vitest  -  by @hi-ogawa and Codex in https://github.com/vitest-dev/vitest/issues/10042 <samp>(691d3)</samp>
    • ui:
      • Don't leak vite types  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10005 <samp>(fdff1)</samp>
    • vm:
      • Fix external module resolve error with deps optimizer query  -  by @hi-ogawa and Claude Sonnet 4.6 in https://github.com/vitest-dev/vitest/issues/10024 <samp>(9dbf4)</samp>

        View changes on GitHub

    Open source →
19. 4.1.226 Mar 2026
    Release notes

    This release bumps Vitest's flatted version and removes version pinning to resolve flatted's CVE related issues (https://github.com/vitest-dev/vitest/issues/9975).

       🐞 Bug Fixes

    • Don't resolve setupFiles from parent directory  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9960 <samp>(7aa93)</samp>
    • Ensure sequential mock/unmock resolution  -  by @hi-ogawa and Claude Opus 4.6 in https://github.com/vitest-dev/vitest/issues/9830 <samp>(7c065)</samp>
    • browser: Take failure screenshot if toMatchScreenshot can't capture a stable screenshot  -  by @macarie in https://github.com/vitest-dev/vitest/issues/9847 <samp>(faace)</samp>
    • coverage: Correct coverageConfigDefaults values and types  -  by @Arthie in https://github.com/vitest-dev/vitest/issues/9940 <samp>(b3c99)</samp>
    • pretty-format: Fix output limit over counting  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9965 <samp>(d3b7a)</samp>
    • Disable colors if agent is detected  -  by @sheremet-va and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9851 <samp>(6f97b)</samp>

        View changes on GitHub

    Open source →
20. 4.1.123 Mar 2026
    Release notes

       🚀 Features

    • experimental:
      • Expose matchesTags to test if the current filter matches tags  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9913 <samp>(eec53)</samp>
      • Introduce experimental.vcsProvider  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9928 <samp>(56115)</samp>

       🐞 Bug Fixes

    • Mark TestProject.testFilesList internal properly  -  by @sapphi-red in https://github.com/vitest-dev/vitest/issues/9867 <samp>(54f26)</samp>
    • Detect fixture that returns without calling use  -  by @oilater in https://github.com/vitest-dev/vitest/issues/9831 and https://github.com/vitest-dev/vitest/issues/9861 <samp>(633ae)</samp>
    • Drop vite 8.beta support  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9862 <samp>(b78f5)</samp>
    • Type regression in vi.mocked() static class methods  -  by @purepear and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9857 <samp>(90926)</samp>
    • Properly re-evaluate actual modules of mocked external  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9898 <samp>(ae5ec)</samp>
    • Preserve coverage report when html reporter overlaps  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9889 <samp>(2d81a)</samp>
    • Provide vi.advanceTimers to the preview provider  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9891 <samp>(1bc3e)</samp>
    • Don't leak event listener in playwright provider  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9910 <samp>(d9355)</samp>
    • Open browser in --standalone mode without running tests  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9911 <samp>(e78ad)</samp>
    • Guard disposable and optional body  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9912 <samp>(6fdb2)</samp>
    • Resolve retry.condition RegExp serialization issue  -  by @nstepien and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9942 <samp>(7b605)</samp>
    • collect:
      • Don't treat extra props on test return as tests  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9871 <samp>(141e7)</samp>
    • coverage:
      • Simplify provider types  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9931 <samp>(aaf9f)</samp>
      • Load built-in provider without module runner  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9939 <samp>(bf892)</samp>
    • expect:
      • Soft assertions continue after .resolves/.rejects promise errors  -  by @mixelburg, Maks Pikov, Claude Opus 4.6 (1M context) and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9843 <samp>(6d74b)</samp>
      • Fix sinon-chai style API  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9943 <samp>(0f08d)</samp>
    • pretty-format:
      • Limit output for large object  -  by @hi-ogawa and Claude Opus 4.6 (1M context) in https://github.com/vitest-dev/vitest/issues/9949 <samp>(0d5f9)</samp>

        View changes on GitHub

    Open source →
21. 4.1.012 Mar 2026
    Release notes

    Vitest 4.1 is out!

    This release page lists all changes made to the project during the 4.1 beta. To get a review of all the new features, read our blog post.

       🚀 Features

    • Return a disposable from doMock()  -  by @kirkwaiblinger in https://github.com/vitest-dev/vitest/issues/9332 <samp>(e3e65)</samp>
    • Added chai style assertions  -  by @ronnakamoto and @sheremet-va in https://github.com/vitest-dev/vitest/issues/8842 <samp>(841df)</samp>
    • Update to sinon/fake-timers v15 and add setTickMode to timer controls  -  by @atscott and @sheremet-va in https://github.com/vitest-dev/vitest/issues/8726 <samp>(4b480)</samp>
    • Expose matcher types  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9448 <samp>(3e4b9)</samp>
    • Add toTestSpecification to reported tasks  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9464 <samp>(1a470)</samp>
    • Show a warning if vi.mock or vi.hoisted are declared outside of top level of the module  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9387 <samp>(5db54)</samp>
    • Track and display expectedly failed tests (.fails) in UI and CLI  -  by @Copilot, sheremet-va and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9476 <samp>(77d75)</samp>
    • Support tags  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9478 <samp>(de7c8)</samp>
    • Implement aroundEach and aroundAll hooks  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9450 <samp>(2a8cb)</samp>
    • Stabilize experimental features  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9529 <samp>(b5fd2)</samp>
    • Accept new or all in --update flag  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9543 <samp>(a5acf)</samp>
    • Support meta in test options  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9535 <samp>(7d622)</samp>
    • Support type inference with a new test.extend syntax  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9550 <samp>(e5385)</samp>
    • Support vite 8 beta, fix type issues in the config with different vite versions  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9587 <samp>(99028)</samp>
    • Add assertion helper to hide internal stack traces  -  by @hi-ogawa and Claude Opus 4.6 in https://github.com/vitest-dev/vitest/issues/9594 <samp>(eeb0a)</samp>
    • Store failure screenshots using artifacts API  -  by @macarie in https://github.com/vitest-dev/vitest/issues/9588 <samp>(24603)</samp>
    • Allow vitest list to statically collect tests instead of running files to collect them  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9630 <samp>(7a8e7)</samp>
    • Add --detect-async-leaks  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9528 <samp>(c594d)</samp>
    • Implement mockThrow and mockThrowOnce  -  by @thor-juhasz and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9512 <samp>(61917)</samp>
    • Support update: "none" and add docs about snapshots behavior on CI  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9700 <samp>(05f18)</samp>
    • Support playwright launchOptions with connectOptions  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9702 <samp>(f0ff1)</samp>
    • Add page/locator.mark API to enhance playwright trace  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9652 <samp>(d0ee5)</samp>
    • api:
      • Support tests starting or ending with test in experimental_parseSpecification  -  by @jgillick and Jeremy Gillick in https://github.com/vitest-dev/vitest/issues/9235 <samp>(2f367)</samp>
      • Add filters to createSpecification  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9336 <samp>(c8e6c)</samp>
      • Expose runTestFiles as alternative to runTestSpecifications  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9443 <samp>(43d76)</samp>
      • Add allowWrite and allowExec options to api  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9350 <samp>(20e00)</samp>
      • Allow passing down test cases to toTestSpecification  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9627 <samp>(6f17d)</samp>
    • browser:
      • Add userEvent.wheel API  -  by @macarie in https://github.com/vitest-dev/vitest/issues/9188 <samp>(66080)</samp>
      • Add filterNode option to prettyDOM for filtering browser assertion error output  -  by @Copilot, sheremet-va and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9475 <samp>(d3220)</samp>
      • Support playwright persistent context  -  by @hi-ogawa, Claude Opus 4.6 and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9229 <samp>(f865d)</samp>
      • Added detailsPanelPosition option and button  -  by @shairez in https://github.com/vitest-dev/vitest/issues/9525 <samp>(c8a31)</samp>
      • Use BlazeDiff instead of pixelmatch  -  by @macarie in https://github.com/vitest-dev/vitest/issues/9514 <samp>(30936)</samp>
      • Add findElement and enable strict mode in webdriverio and preview  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9677 <samp>(c3f37)</samp>
    • cli:
      • Add @bomb.sh/tab completions  -  by @AmirSa12 and @sheremet-va in https://github.com/vitest-dev/vitest/issues/8639 <samp>(200f3)</samp>
    • coverage:
      • Support ignore start/stop ignore hints  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9204 <samp>(e59c9)</samp>
      • Add coverage.changed option to report only changed files  -  by @kykim00 and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9521 <samp>(1d939)</samp>
    • experimental:
      • Add onModuleRunner hook to worker.init  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9286 <samp>(e977f)</samp>
      • Option to disable the module runner  -  by @sheremet-va and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9210 <samp>(9be61)</samp>
      • Add importDurations: { limit, print } options  -  by @hi-ogawa, Claude Opus 4.6 and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9401 <samp>(7e10f)</samp>
      • Add print and fail thresholds for importDurations  -  by @hi-ogawa and Claude Opus 4.6 in https://github.com/vitest-dev/vitest/issues/9533 <samp>(3f7a5)</samp>
    • fixtures:
      • Pass down file context to beforeAll/afterAll  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9572 <samp>(c8339)</samp>
    • reporters:
      • Add agent reporter to reduce ai agent token usage  -  by @cpojer in https://github.com/vitest-dev/vitest/issues/9779 <samp>(3e9e0)</samp>
    • runner:
      • Enhance retry options  -  by @MazenSamehR, Matan Shavit, @AriPerkkio and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9370 <samp>(9e4cf)</samp>
    • ui:
      • Allow run individual test/suites  -  by @userquin in https://github.com/vitest-dev/vitest/issues/9465 <samp>(73b10)</samp>
      • Add project filter/sort support  -  by @userquin in https://github.com/vitest-dev/vitest/issues/8689 <samp>(0c7ea)</samp>
      • Add duration sorting to explorer  -  by @julianhahn and @cursoragent in https://github.com/vitest-dev/vitest/issues/9603 <samp>(209b1)</samp>
      • Implement filter for slow tests  -  by @DerYeger and @userquin in https://github.com/vitest-dev/vitest/issues/9705 <samp>(8880c)</samp>
    • vitest:
      • Add run summary in GitHub Actions Reporter  -  by @macarie and jhnance in https://github.com/vitest-dev/vitest/issues/9579 <samp>(96bfc)</samp>

       🐞 Bug Fixes

    • Deprecate several vitest/* entry points  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9347 <samp>(fd459)</samp>
    • Use meta.url in createRequire  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9441 <samp>(e3422)</samp>
    • Preact browser mode init example of render function not async  -  by @WuMingDao in https://github.com/vitest-dev/vitest/issues/9375 <samp>(2bea5)</samp>
    • Deprecate unused types in matcher context  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9449 <samp>(20f87)</samp>
    • Handle external/noExternal during configEnvironment hook  -  by @hi-ogawa and Claude Opus 4.6 in https://github.com/vitest-dev/vitest/issues/9508 <samp>(59ea2)</samp>
    • Replace default ssr environment runner with Vitest server module runner  -  by @hi-ogawa and Claude Opus 4.6 in https://github.com/vitest-dev/vitest/issues/9506 <samp>(cd5db)</samp>
    • Propagate experimental CLI options to child projects  -  by @hi-ogawa and Claude Opus 4.6 in https://github.com/vitest-dev/vitest/issues/9531 <samp>(b624f)</samp>
    • Show a warning when browser.isolate is used  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9410 <samp>(3d48e)</samp>
    • Fix vi.mock({ spy: true }) node v8 coverage  -  by @hi-ogawa, hi-ogawa and Claude Opus 4.6 in https://github.com/vitest-dev/vitest/issues/9541 <samp>(687b6)</samp>
    • Don't show internal ssr handler in errors  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9547 <samp>(76c43)</samp>
    • Close vitest if it failed to start  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9573 <samp>(728ba)</samp>
    • Fix ssr environment runner in project  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9584 <samp>(09006)</samp>
    • Trim trailing white spaces in code block  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9591 <samp>(f78be)</samp>
    • Support inline snapshot inside test.for/each  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9590 <samp>(615fd)</samp>
    • Apply source maps for external module stack trace  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9152 <samp>(79e20)</samp>
    • Remove the .name from statically collected test  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9596 <samp>(b66ff)</samp>
    • Don't suppress warnings on pnp  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9602 <samp>(89cbd)</samp>
    • Support snapshot with expect.soft  -  by @iumehara, @hi-ogawa and Claude Opus 4.6 in https://github.com/vitest-dev/vitest/issues/9231 <samp>(3eb2c)</samp>
    • Log seed when only sequence.shuffle.tests is enabled  -  by @kaigritun, Kai Gritun and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9576 <samp>(8182b)</samp>
    • Externalize expect/src/utils from vitest  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9616 <samp>(48739)</samp>
    • Ignore test.override during static collection  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9620 <samp>(09174)</samp>
    • Increase stacktrace limit for --detect-async-leaks  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9638 <samp>(9fd4c)</samp>
    • Hanging-reporter link in cli  -  by @flx-sta in https://github.com/vitest-dev/vitest/issues/9649 <samp>(7c103)</samp>
    • Fix teardown timeout of aroundEach/All when inner aroundEach/All throws  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9657 <samp>(4ec6c)</samp>
    • Fix ui mode / html reporter and coverage integration  -  by @hi-ogawa and Claude Opus 4.6 in https://github.com/vitest-dev/vitest/issues/9626 <samp>(86fad)</samp>
    • Don't continue when aroundEach/All setup timed out  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9670 <samp>(bb013)</samp>
    • Align VitestRunnerConfig optional fields with SerializedConfig  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9661 <samp>(79520)</samp>
    • Handle Symbol values in format utility  -  by @nami8824 in https://github.com/vitest-dev/vitest/issues/9658 <samp>(0583f)</samp>
    • Deprecate toBe* spy assertions in favor of toHaveBeen* (and toThrowError)  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9665 <samp>(4d390)</samp>
    • Don't propagate nested aroundEach/All errors but aggregate them on runner  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9673 <samp>(b6365)</samp>
    • Show a better error if there is a pending dynamic import  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9676 <samp>(7ef5c)</samp>
    • Preserve stack trace of resolves/rejects chained assertion error  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9679 <samp>(c6151)</samp>
    • Handle module-sync condition in vmThreads/vmForks require  -  by @lesleh in https://github.com/vitest-dev/vitest/issues/9650 and https://github.com/vitest-dev/vitest/issues/9651 <samp>(bb203)</samp>
    • Hooks should respect maxConcurrency  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9653 <samp>(16d13)</samp>
    • Recursively autospy module object  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9687 <samp>(695a8)</samp>
    • Remove trailing spaces from diff error log  -  by @hi-ogawa and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9680 <samp>(395d1)</samp>
    • Respect project resolve.conditions for externals  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9717 <samp>(1d498)</samp>
    • Use object for WeakMap instead of a symbol to support webcontainers  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9731 <samp>(c5225)</samp>
    • Fix re-mocking virtual module  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9748 <samp>(3cbbb)</samp>
    • Cancelling should stop current test immediately  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9729 <samp>(0cb2f)</samp>
    • Make mockObject change backwards compatible  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9744 <samp>(84c69)</samp>
    • Fix URL.name on jsdom  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9767 <samp>(031f3)</samp>
    • Save and restore module graph in blob reporter  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9740 <samp>(84355)</samp>
    • Don't silence reporter errors from test runtime events handler in normal run and --merge-reports  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9727 <samp>(4072d)</samp>
    • Fix vi.importActual() for virtual modules  -  by @hi-ogawa and Claude Opus 4.6 in https://github.com/vitest-dev/vitest/issues/9772 <samp>(1e89e)</samp>
    • Throw FixtureAccessError if suite hook accesses undefined fixture  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9786 <samp>(fc2ce)</samp>
    • Allow hyphens in project config file name pattern  -  by @Koutaro-Hanabusa and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9760 <samp>(33e96)</samp>
    • Manual and redirect mock shouldn't load or transform original module  -  by @hi-ogawa and Claude Opus 4.6 in https://github.com/vitest-dev/vitest/issues/9774 <samp>(a8216)</samp>
    • hideSkippedTests should not hide test.todo  -  by @oilater in https://github.com/vitest-dev/vitest/issues/9562 and https://github.com/vitest-dev/vitest/issues/9781 <samp>(8181e)</samp>
    • Allow catch/finally for async assertion  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9827 <samp>(031f0)</samp>
    • Resolve fixture overrides from test's suite in beforeEach hooks  -  by @hi-ogawa and Claude Opus 4.6 in https://github.com/vitest-dev/vitest/issues/9826 <samp>(99e52)</samp>
    • Use isAgent check, not just TTY, for watch mode  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9841 <samp>(c3cac)</samp>
    • Use performance.now to measure test timeout duration  -  by @hi-ogawa and Claude Opus 4.6 in https://github.com/vitest-dev/vitest/issues/9795 <samp>(f48a6)</samp>
    • Correctly identify concurrent test during static analysis  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9846 <samp>(1de0a)</samp>
    • browser:
      • Avoid updating screenshots when toMatchScreenshot passes  -  by @macarie in https://github.com/vitest-dev/vitest/issues/9289 <samp>(46aab)</samp>
      • Hide injected data-testid attributes  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9503 <samp>(c8d2c)</samp>
      • Throw an error if iframe was reloaded  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9516 <samp>(73a81)</samp>
      • Encode projectName in browser client URL  -  by @dkkim0122 in https://github.com/vitest-dev/vitest/issues/9523 <samp>(5b164)</samp>
      • Don't take failure screenshot if tests have artifacts created by toMatchScreenshot  -  by @macarie in https://github.com/vitest-dev/vitest/issues/9552 <samp>(83ca0)</samp>
      • Remove --remote-debugging-address from chrome args  -  by @hi-ogawa and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9712 <samp>(f09bb)</samp>
      • Make sure userEvent actions support ensureAwaited  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9732 <samp>(97685)</samp>
      • Types of getCDPSession and cdp()  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9716 <samp>(689a2)</samp>
      • Skip esbuild.legalComments when using rolldown-vite  -  by @Copilot, hi-ogawa and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9803 <samp>(3505f)</samp>
    • chai:
      • Don't allow deepEqual in the config because it's not serializable  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9666 <samp>(9ee99)</samp>
    • coverage:
      • Infer transform mode for uncovered files  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9435 <samp>(f3967)</samp>
      • thresholds.autoUpdate to preserve ending whitespace  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9436 <samp>(7e534)</samp>
    • deps:
      • Update all non-major dependencies  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9192 <samp>(90c30)</samp>
      • Update all non-major dependencies  -  in https://github.com/vitest-dev/vitest/issues/9485 <samp>(c0118)</samp>
      • Update all non-major dependencies  -  in https://github.com/vitest-dev/vitest/issues/9567 <samp>(13c9e)</samp>
    • docs:
      • Fix old /config/#option hash links causing hydration errors  -  by @hi-ogawa, Claude Opus 4.6 and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9610 <samp>(a603c)</samp>
    • expect:
      • toMatchObject(Map/Set) should expect Map/Set on left hand side  -  by @hi-ogawa and Claude Opus 4.6 in https://github.com/vitest-dev/vitest/issues/9532 <samp>(381da)</samp>
      • Fix objectContaining with proxy  -  by @hi-ogawa and Claude Opus 4.6 in https://github.com/vitest-dev/vitest/issues/9554 <samp>(7ce34)</samp>
      • Support arbitrary value equality for toThrow and make Error detection robust  -  by @hi-ogawa and Claude Opus 4.6 in https://github.com/vitest-dev/vitest/issues/9570 <samp>(de215)</samp>
    • mock:
      • Inject helpers after hashbang if present  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9545 <samp>(65432)</samp>
    • mocker:
      • Update vite's peer dependency range  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9808 <samp>(36f9a)</samp>
    • reporter:
      • dot reporter leaves pending tests  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9684 <samp>(4d793)</samp>
    • runner:
      • Mark repeated tests as finished on last run  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9707 <samp>(cc735)</samp>
    • spy:
      • Support deep partial in vi.mocked  -  by @j2h30728 in https://github.com/vitest-dev/vitest/issues/8152 and https://github.com/vitest-dev/vitest/issues/9493 <samp>(71cb5)</samp>
      • Fallback to object accessor if descriptor's value is undefined  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9511 <samp>(6f181)</samp>
      • Throw correct errors when shorthand methods are used on a class  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9513 <samp>(5d0fd)</samp>
    • types:
      • bench.reporters no longer gives type errors when passing file name string paths  -  by @Bertie690 in https://github.com/vitest-dev/vitest/issues/9695 <samp>(093c8)</samp>
    • ui:
      • Process artifact attachments when generating HTML reporter  -  by @macarie in https://github.com/vitest-dev/vitest/issues/9472 <samp>(96eb9)</samp>
      • Don't fail if --ui and --root are specified together  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9536 <samp>(d9305)</samp>

       🏎 Performance

    • pretty-format: Combine DOMElement plugins  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9581 <samp>(da85a)</samp>

        View changes on GitHub

    Open source →
22. 4.1.0-beta.65 Mar 2026pre-release
    Release notes

       🚀 Features

    • Add page/locator.mark API to enhance playwright trace  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9652 <samp>(d0ee5)</samp>
    • vitest: Add run summary in GitHub Actions Reporter  -  by @macarie and jhnance in https://github.com/vitest-dev/vitest/issues/9579 <samp>(96bfc)</samp>

       🐞 Bug Fixes

    • Fix URL.name on jsdom  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9767 <samp>(031f3)</samp>
    • Save and restore module graph in blob reporter  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9740 <samp>(84355)</samp>
    • Don't silence reporter errors from test runtime events handler in normal run and --merge-reports  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9727 <samp>(4072d)</samp>
    • Fix vi.importActual() for virtual modules  -  by @hi-ogawa and Claude Opus 4.6 in https://github.com/vitest-dev/vitest/issues/9772 <samp>(1e89e)</samp>
    • Throw FixtureAccessError if suite hook accesses undefined fixture  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9786 <samp>(fc2ce)</samp>
    • Allow hyphens in project config file name pattern  -  by @Koutaro-Hanabusa and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9760 <samp>(33e96)</samp>
    • Manual and redirect mock shouldn't load or transform original module  -  by @hi-ogawa and Claude Opus 4.6 in https://github.com/vitest-dev/vitest/issues/9774 <samp>(a8216)</samp>
    • hideSkippedTests should not hide test.todo  -  by @oilater in https://github.com/vitest-dev/vitest/issues/9562 and https://github.com/vitest-dev/vitest/issues/9781 <samp>(8181e)</samp>
    • browser: Types of getCDPSession and cdp()  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9716 <samp>(689a2)</samp>

        View changes on GitHub

    Open source →
23. 4.1.0-beta.526 Feb 2026pre-release
    Release notes

       🚀 Features

    • Implement mockThrow and mockThrowOnce  -  by @thor-juhasz and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9512 <samp>(61917)</samp>
    • Support update: "none" and add docs about snapshots behavior on CI  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9700 <samp>(05f18)</samp>
    • Support playwright launchOptions with connectOptions  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9702 <samp>(f0ff1)</samp>
    • browser:
      • Use BlazeDiff instead of pixelmatch  -  by @macarie in https://github.com/vitest-dev/vitest/issues/9514 <samp>(30936)</samp>
      • Add findElement and enable strict mode in webdriverio and preview  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9677 <samp>(c3f37)</samp>
    • coverage:
      • Add coverage.changed option to report only changed files  -  by @kykim00 and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9521 <samp>(1d939)</samp>
    • ui:
      • Implement filter for slow tests  -  by @DerYeger and @userquin in https://github.com/vitest-dev/vitest/issues/9705 <samp>(8880c)</samp>

       🐞 Bug Fixes

    • Don't propagate nested aroundEach/All errors but aggregate them on runner  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9673 <samp>(b6365)</samp>
    • Show a better error if there is a pending dynamic import  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9676 <samp>(7ef5c)</samp>
    • Preserve stack trace of resolves/rejects chained assertion error  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9679 <samp>(c6151)</samp>
    • Handle module-sync condition in vmThreads/vmForks require  -  by @lesleh in https://github.com/vitest-dev/vitest/issues/9650 and https://github.com/vitest-dev/vitest/issues/9651 <samp>(bb203)</samp>
    • Hooks should respect maxConcurrency  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9653 <samp>(16d13)</samp>
    • Recursively autospy module object  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9687 <samp>(695a8)</samp>
    • Remove trailing spaces from diff error log  -  by @hi-ogawa and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9680 <samp>(395d1)</samp>
    • Respect project resolve.conditions for externals  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9717 <samp>(1d498)</samp>
    • Use object for WeakMap instead of a symbol to support webcontainers  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9731 <samp>(c5225)</samp>
    • Fix re-mocking virtual module  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9748 <samp>(3cbbb)</samp>
    • Cancelling should stop current test immediately  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9729 <samp>(0cb2f)</samp>
    • Make mockObject change backwards compatible  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9744 <samp>(84c69)</samp>
    • browser:
      • Remove --remote-debugging-address from chrome args  -  by @hi-ogawa and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9712 <samp>(f09bb)</samp>
      • Make sure userEvent actions support ensureAwaited  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9732 <samp>(97685)</samp>
    • reporter:
      • dot reporter leaves pending tests  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9684 <samp>(4d793)</samp>
    • runner:
      • Mark repeated tests as finished on last run  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9707 <samp>(cc735)</samp>
    • types:
      • bench.reporters no longer gives type errors when passing file name string paths  -  by @Bertie690 in https://github.com/vitest-dev/vitest/issues/9695 <samp>(093c8)</samp>

        View changes on GitHub

    Open source →
24. 4.1.0-beta.416 Feb 2026pre-release
    Release notes

       🚀 Features

    • Support type inference with a new test.extend syntax  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9550 <samp>(e5385)</samp>
    • Support vite 8 beta, fix type issues in the config with different vite versions  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9587 <samp>(99028)</samp>
    • Add assertion helper to hide internal stack traces  -  by @hi-ogawa and Claude Sonnet 4.5 in https://github.com/vitest-dev/vitest/issues/9594 <samp>(eeb0a)</samp>
    • Store failure screenshots using artifacts API  -  by @macarie in https://github.com/vitest-dev/vitest/issues/9588 <samp>(24603)</samp>
    • Allow vitest list to statically collect tests instead of running files to collect them  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9630 <samp>(7a8e7)</samp>
    • Add --detect-async-leaks  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9528 <samp>(c594d)</samp>
    • api: Allow passing down test cases to toTestSpecification  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9627 <samp>(6f17d)</samp>
    • fixtures: Pass down file context to beforeAll/afterAll  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9572 <samp>(c8339)</samp>
    • ui: Add duration sorting to explorer  -  by @julianhahn and @cursoragent in https://github.com/vitest-dev/vitest/issues/9603 <samp>(209b1)</samp>

       🐞 Bug Fixes

    • Close vitest if it failed to start  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9573 <samp>(728ba)</samp>
    • Fix ssr environment runner in project  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9584 <samp>(09006)</samp>
    • Trim trailing white spaces in code block  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9591 <samp>(f78be)</samp>
    • Support inline snapshot inside test.for/each  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9590 <samp>(615fd)</samp>
    • Apply source maps for external module stack trace  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9152 <samp>(79e20)</samp>
    • Remove the .name from statically collected test  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9596 <samp>(b66ff)</samp>
    • Don't suppress warnings on pnp  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9602 <samp>(89cbd)</samp>
    • Support snapshot with expect.soft  -  by @iumehara, @hi-ogawa and Claude Sonnet 4.5 in https://github.com/vitest-dev/vitest/issues/9231 <samp>(3eb2c)</samp>
    • Log seed when only sequence.shuffle.tests is enabled  -  by @kaigritun, Kai Gritun and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9576 <samp>(8182b)</samp>
    • Externalize expect/src/utils from vitest  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9616 <samp>(48739)</samp>
    • Ignore test.override during static collection  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9620 <samp>(09174)</samp>
    • Increase stacktrace limit for --detect-async-leaks  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9638 <samp>(9fd4c)</samp>
    • Hanging-reporter link in cli  -  by @flx-sta in https://github.com/vitest-dev/vitest/issues/9649 <samp>(7c103)</samp>
    • Fix teardown timeout of aroundEach/All when inner aroundEach/All throws  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9657 <samp>(4ec6c)</samp>
    • Fix ui mode / html reporter and coverage integration  -  by @hi-ogawa and Claude Sonnet 4.5 in https://github.com/vitest-dev/vitest/issues/9626 <samp>(86fad)</samp>
    • Don't continue when aroundEach/All setup timed out  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9670 <samp>(bb013)</samp>
    • Align VitestRunnerConfig optional fields with SerializedConfig  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9661 <samp>(79520)</samp>
    • Handle Symbol values in format utility  -  by @nami8824 in https://github.com/vitest-dev/vitest/issues/9658 <samp>(0583f)</samp>
    • Deprecate toBe* spy assertions in favor of toHaveBeen* (and toThrowError)  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9665 <samp>(4d390)</samp>
    • chai: Don't allow deepEqual in the config because it's not serializable  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9666 <samp>(9ee99)</samp>
    • docs: Fix old /config/#option hash links causing hydration errors  -  by @hi-ogawa, Claude Sonnet 4.5 and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9610 <samp>(a603c)</samp>
    • expect: Support arbitrary value equality for toThrow and make Error detection robust  -  by @hi-ogawa and Claude Sonnet 4.5 in https://github.com/vitest-dev/vitest/issues/9570 <samp>(de215)</samp>
    • ui: Don't fail if --ui and --root are specified together  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9536 <samp>(d9305)</samp>

       🏎 Performance

    • pretty-format: Combine DOMElement plugins  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9581 <samp>(da85a)</samp>

        View changes on GitHub

    Open source →
25. 4.1.0-beta.32 Feb 2026pre-release
    Release notes

       🚀 Features

    • Implement aroundEach and aroundAll hooks  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9450 <samp>(2a8cb)</samp>
    • Stabilize experimental features  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9529 <samp>(b5fd2)</samp>
    • Accept new or all in --update flag  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9543 <samp>(a5acf)</samp>
    • Support meta in test options  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9535 <samp>(7d622)</samp>
    • api:
      • Add allowWrite and allowExec options to api  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9350 <samp>(20e00)</samp>
    • browser:
      • Added detailsPanelPosition option and button  -  by @shairez in https://github.com/vitest-dev/vitest/issues/9525 <samp>(c8a31)</samp>
    • experimental:
      • Add importDurations: { limit, print } options  -  by @hi-ogawa, Claude Opus 4.5 and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9401 <samp>(7e10f)</samp>
      • Add print and fail thresholds for importDurations  -  by @hi-ogawa and Claude Opus 4.5 in https://github.com/vitest-dev/vitest/issues/9533 <samp>(3f7a5)</samp>

       🐞 Bug Fixes

    • Handle external/noExternal during configEnvironment hook  -  by @hi-ogawa and Claude Opus 4.5 in https://github.com/vitest-dev/vitest/issues/9508 <samp>(59ea2)</samp>
    • Replace default ssr environment runner with Vitest server module runner  -  by @hi-ogawa and Claude Opus 4.5 in https://github.com/vitest-dev/vitest/issues/9506 <samp>(cd5db)</samp>
    • Propagate experimental CLI options to child projects  -  by @hi-ogawa and Claude Opus 4.5 in https://github.com/vitest-dev/vitest/issues/9531 <samp>(b624f)</samp>
    • Show a warning when browser.isolate is used  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9410 <samp>(3d48e)</samp>
    • Fix vi.mock({ spy: true }) node v8 coverage  -  by @hi-ogawa, hi-ogawa and Claude Opus 4.5 in https://github.com/vitest-dev/vitest/issues/9541 <samp>(687b6)</samp>
    • Don't show internal ssr handler in errors  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9547 <samp>(76c43)</samp>
    • browser:
      • Hide injected data-testid attributes  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9503 <samp>(c8d2c)</samp>
      • Throw an error if iframe was reloaded  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9516 <samp>(73a81)</samp>
      • Encode projectName in browser client URL  -  by @dkkim0122 in https://github.com/vitest-dev/vitest/issues/9523 <samp>(5b164)</samp>
      • Don't take failure screenshot if tests have artifacts created by toMatchScreenshot  -  by @macarie in https://github.com/vitest-dev/vitest/issues/9552 <samp>(83ca0)</samp>
    • deps:
      • Update all non-major dependencies  -  in https://github.com/vitest-dev/vitest/issues/9485 <samp>(c0118)</samp>
      • Update all non-major dependencies  -  in https://github.com/vitest-dev/vitest/issues/9567 <samp>(13c9e)</samp>
    • expect:
      • toMatchObject(Map/Set) should expect Map/Set on left hand side  -  by @hi-ogawa and Claude Opus 4.5 in https://github.com/vitest-dev/vitest/issues/9532 <samp>(381da)</samp>
      • Fix objectContaining with proxy  -  by @hi-ogawa and Claude Opus 4.5 in https://github.com/vitest-dev/vitest/issues/9554 <samp>(7ce34)</samp>
    • mock:
      • Inject helpers after hashbang if present  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9545 <samp>(65432)</samp>
    • spy:
      • Fallback to object accessor if descriptor's value is undefined  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9511 <samp>(6f181)</samp>
      • Throw correct errors when shorthand methods are used on a class  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9513 <samp>(5d0fd)</samp>

        View changes on GitHub

    Open source →
26. 4.1.0-beta.222 Jan 2026pre-release
    Release notes

       🚀 Features

    • Expose matcher types  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9448 <samp>(3e4b9)</samp>
    • Add toTestSpecification to reported tasks  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9464 <samp>(1a470)</samp>
    • Show a warning if vi.mock or vi.hoisted are declared outside of top level of the module  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9387 <samp>(5db54)</samp>
    • Track and display expectedly failed tests (.fails) in UI and CLI  -  by @Copilot, sheremet-va and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9476 <samp>(77d75)</samp>
    • Support tags  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9478 <samp>(de7c8)</samp>
    • browser:
      • Add filterNode option to prettyDOM for filtering browser assertion error output  -  by @Copilot, sheremet-va and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9475 <samp>(d3220)</samp>
      • Support playwright persistent context  -  by @hi-ogawa, Claude Opus 4.5 and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9229 <samp>(f865d)</samp>
    • cli:
      • Add @bomb.sh/tab completions  -  by @AmirSa12 and @sheremet-va in https://github.com/vitest-dev/vitest/issues/8639 <samp>(200f3)</samp>
    • experimental:
      • Option to disable the module runner  -  by @sheremet-va and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9210 <samp>(9be61)</samp>
    • ui:
      • Allow run individual test/suites  -  by @userquin in https://github.com/vitest-dev/vitest/issues/9465 <samp>(73b10)</samp>
      • Add project filter/sort support  -  by @userquin in https://github.com/vitest-dev/vitest/issues/8689 <samp>(0c7ea)</samp>

       🐞 Bug Fixes

    • Deprecate unused types in matcher context  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9449 <samp>(20f87)</samp>
    • coverage: thresholds.autoUpdate to preserve ending whitespace  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9436 <samp>(7e534)</samp>
    • spy: Support deep partial in vi.mocked  -  by @j2h30728 in https://github.com/vitest-dev/vitest/issues/8152 and https://github.com/vitest-dev/vitest/issues/9493 <samp>(71cb5)</samp>
    • ui: Process artifact attachments when generating HTML reporter  -  by @macarie in https://github.com/vitest-dev/vitest/issues/9472 <samp>(96eb9)</samp>

        View changes on GitHub

    Open source →
27. 4.1.0-beta.114 Jan 2026pre-release
    Release notes

       🚀 Features

    • Return a disposable from doMock()  -  by @kirkwaiblinger in https://github.com/vitest-dev/vitest/issues/9332 <samp>(e3e65)</samp>
    • Added chai style assertions for spying  -  by @ronnakamoto and @sheremet-va in https://github.com/vitest-dev/vitest/issues/8842 <samp>(841df)</samp>
    • Update to sinon/fake-timers v15 and add setTickMode to timer controls  -  by @atscott and @sheremet-va in https://github.com/vitest-dev/vitest/issues/8726 <samp>(4b480)</samp>
    • api:
      • Support tests starting or ending with test in experimental_parseSpecification  -  by @jgillick and Jeremy Gillick in https://github.com/vitest-dev/vitest/issues/9235 <samp>(2f367)</samp>
      • Add filters to createSpecification  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9336 <samp>(c8e6c)</samp>
      • Expose runTestFiles as alternative to runTestSpecifications  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9443 <samp>(43d76)</samp>
    • browser:
      • Add userEvent.wheel API  -  by @macarie in https://github.com/vitest-dev/vitest/issues/9188 <samp>(66080)</samp>
    • coverage:
      • Support ignore start/stop ignore hints  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9204 <samp>(e59c9)</samp>
    • experimental:
      • Add onModuleRunner hook to worker.init  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9286 <samp>(e977f)</samp>
    • runner:
      • Enhance retry options  -  by @MazenSamehR, Matan Shavit, @AriPerkkio and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9370 <samp>(9e4cf)</samp>

       🐞 Bug Fixes

    • Deprecate several vitest/* entry points  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9347 <samp>(fd459)</samp>
    • Use meta.url in createRequire  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9441 <samp>(e3422)</samp>
    • Preact browser mode init example of render function not async  -  by @WuMingDao in https://github.com/vitest-dev/vitest/issues/9375 <samp>(2bea5)</samp>
    • browser: Avoid updating screenshots when toMatchScreenshot passes  -  by @macarie in https://github.com/vitest-dev/vitest/issues/9289 <samp>(46aab)</samp>
    • coverage: Infer transform mode for uncovered files  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9435 <samp>(f3967)</samp>
    • deps: Update all non-major dependencies  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9192 <samp>(90c30)</samp>

        View changes on GitHub

    Open source →
28. 4.0.1822 Jan 2026
    Release notes

       🚀 Experimental Features

    • experimental: Add onModuleRunner hook to worker.init  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9286 <samp>(ea837)</samp>

       🐞 Bug Fixes

    • Use meta.url in createRequire  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9441 <samp>(e0572)</samp>
    • browser: Hide injected data-testid attributes  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9503 <samp>(f8989)</samp>
    • ui: Process artifact attachments when generating HTML reporter  -  by @macarie in https://github.com/vitest-dev/vitest/issues/9472 <samp>(22543)</samp>

        View changes on GitHub

    Open source →
29. 4.0.1712 Jan 2026
    Release notes

       🚀 Experimental Features

    • Support openTelemetry for browser mode  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9180 <samp>(1ec3a)</samp>
    • Support TRACEPARENT and TRACESTATE environment variables for OpenTelemetry context propagation  -  by @Copilot, hi-ogawa and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9295 <samp>(876cb)</samp>

       🐞 Bug Fixes

    • Improve asymmetric matcher diff readability by unwrapping container matchers  -  by @Copilot, sheremet-va, hi-ogawa and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9330 <samp>(b2ec7)</samp>
    • Improve runner error when importing outside of test context  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9335 <samp>(2dd3d)</samp>
    • Replace crypto.randomUUID to allow insecure environments (fix #9…  -  by @plusgut in https://github.com/vitest-dev/vitest/issues/9339 and https://github.com/vitest-dev/vitest/issues/9 <samp>(e6a3f)</samp>
    • Handle null options in addEventHandler #9371  -  by @ThibautMarechal in https://github.com/vitest-dev/vitest/issues/9372 and https://github.com/vitest-dev/vitest/issues/9371 <samp>(40841)</samp>
    • Typo in browser.provider error  -  by @deammer in https://github.com/vitest-dev/vitest/issues/9394 <samp>(4b67f)</samp>
    • browser:
      • Fix process.env and import.meta.env defines in inline project  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9239 <samp>(b70c9)</samp>
      • Fix upload File instance  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9294 <samp>(b6778)</samp>
      • Fix invalid project token for artifacts assets  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9321 <samp>(caa7d)</samp>
      • Log ErrorEvent.message when unhandled ErrorEvent.error is null  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9322 <samp>(5d84e)</samp>
      • Support fileParallelism on an instance  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9328 <samp>(15006)</samp>
    • coverage:
      • Remove unnecessary istanbul-lib-source-maps usage  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9344 <samp>(b0940)</samp>
      • Apply patch from istanbuljs/istanbuljs#837  -  by @AriPerkkio and sapphi-red in https://github.com/vitest-dev/vitest/issues/9413 and https://github.com/vitest-dev/vitest/issues/837 <samp>(e05ce)</samp>
    • fsModuleCache:
      • Don't store importers in cache  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9422 <samp>(75136)</samp>
      • Add importers alongside importedModules  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9423 <samp>(59f92)</samp>
    • mocker:
      • Fix mock transform with class  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9421 <samp>(d390e)</samp>
    • pool:
      • Validate environment options when reusing the worker  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9349 <samp>(a8a88)</samp>
      • Handle worker start failures gracefully  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9337 <samp>(200da)</samp>
    • reporter:
      • Report test module if it failed to run  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9272 <samp>(c7888)</samp>
    • runner:
      • Respect nested test.only within describe.only  -  by @Ujjwaljain16 in https://github.com/vitest-dev/vitest/issues/9021 and https://github.com/vitest-dev/vitest/issues/9213 <samp>(55d5d)</samp>
    • typecheck:
      • Improve error message when tsc outputs help text  -  by @Ujjwaljain16 in https://github.com/vitest-dev/vitest/issues/9214 <samp>(7b10a)</samp>
    • ui:
      • Detect gzip by magic numbers instead of Content-Type header in html reporter  -  by @Copilot, hi-ogawa and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9278 <samp>(dd033)</samp>
    • webdriverio:
      • Fall back to WebDriver Classic #9244  -  by @JustasMonkev in https://github.com/vitest-dev/vitest/issues/9373 and https://github.com/vitest-dev/vitest/issues/9244 <samp>(c23dd)</samp>

        View changes on GitHub

    Open source →
30. 4.0.1616 Dec 2025
    Release notes

       🐞 Bug Fixes

    • Fix browser mode default testTimeout back to 15 seconds  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9167 <samp>(da0ad)</samp>
    • Avoid crashing on process.versions stub  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9174 <samp>(78cfb)</samp>
    • Reject calling suite function inside test  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9198 <samp>(1a259)</samp>
    • Allow inlining fully dynamic import  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9137 <samp>(56851)</samp>
    • Fix module graph UI on html reporter with headless browser mode  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9219 <samp>(60642)</samp>
    • Log deprecated test.poolOptions if it's set  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9226 <samp>(f7f6a)</samp>
    • browser:
      • Import recordArtifact from the vitest package  -  by @macarie in https://github.com/vitest-dev/vitest/issues/9186 <samp>(01c56)</samp>
      • Fix import.meta.env define  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9205 <samp>(01a9a)</samp>
      • String formatting bug when including placeholders in console.log  -  by @michael-debs and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9030 and https://github.com/vitest-dev/vitest/issues/9131 <samp>(84a30)</samp>
    • coverage:
      • Istanbul untested files source maps are off  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9208 <samp>(372e8)</samp>
    • experimental:
      • Export setupEnvironment for custom pools  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9187 <samp>(5d26b)</samp>

        View changes on GitHub

    Open source →
31. 4.0.152 Dec 2025
    Release notes

       🚀 Experimental Features

    • cache: Add opt-out on a plugin level, fix internal root cache  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9154 <samp>(a68f7)</samp>
    • reporters: Print import duration breakdown  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9105 <samp>(122ff)</samp>

       🐞 Bug Fixes

    • Keep built-in id as is in bun and deno  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9117 <samp>(075ab)</samp>
    • Use optimizeDeps.rolldownOptions to fix depreated warning + fix ssr.external: true  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9121 <samp>(fd8bd)</samp>
    • Fix external behavior with deps.optimizer  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9125 <samp>(4c754)</samp>
    • Very minor typo in "Chrome DevTools Protocol"  -  by @HowToTestFrontend in https://github.com/vitest-dev/vitest/issues/9146 <samp>(20997)</samp>
    • browser: Run toMatchScreenshot only once when used with expect.element  -  by @macarie in https://github.com/vitest-dev/vitest/issues/9132 <samp>(0d2e7)</samp>
    • coverage: Istanbul provider to not break source maps  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9040 <samp>(e4ca9)</samp>
    • deps: Update dependency tinyexec to v1  -  in https://github.com/vitest-dev/vitest/issues/9122 <samp>(fd786)</samp>
    • docs: Remove --browser.provider from docs  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9115 <samp>(120b3)</samp>
    • expect: Preserve currentTestName in extended matchers  -  by @macarie in https://github.com/vitest-dev/vitest/issues/9106 <samp>(e4345)</samp>
    • pool: Terminate workers on CTRL+c forceful exits  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9140 <samp>(d57d8)</samp>
    • reporters: Show project in github reporter  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9138 <samp>(bb65e)</samp>
    • spy: Do not mock overriden method, if parent was automocked  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9116 <samp>(1a246)</samp>
    • web-worker: MessagePort objects passed to Worker.postMessage work when clone === "native"  -  by @whitphx in https://github.com/vitest-dev/vitest/issues/9118 <samp>(deee8)</samp>

        View changes on GitHub

    Open source →
32. 4.0.1425 Nov 2025
    Release notes

       🚀 Experimental Features

    • browser: Expose utils.configurePrettyDOM  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9103 <samp>(2cc34)</samp>
    • runner: Add full names to tasks  -  by @macarie in https://github.com/vitest-dev/vitest/issues/9087 <samp>(821aa)</samp>
    • ui: Add tabbed failure view for toMatchScreenshot with comparison slider  -  by @macarie in https://github.com/vitest-dev/vitest/issues/8813 <samp>(c37c2)</samp>

       🐞 Bug Fixes

    • Externalize before caching  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9077 <samp>(e1b2e)</samp>
    • Collect the duration of external imports  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9097 <samp>(3326c)</samp>
    • Rename collect to import, remove prepare  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9091 <samp>(1256b)</samp>
    • browser:
      • Unsubscribe onCancel on rpc destroy  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9088 <samp>(f5b72)</samp>
      • Revert the viewport scaling in non-ui mode #9018  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9072 and https://github.com/vitest-dev/vitest/issues/9018 <samp>(64502)</samp>
    • coverage:
      • Invalidate circular modules correctly on rerun with coverage  -  by @aicest in https://github.com/vitest-dev/vitest/issues/9096 <samp>(6f22c)</samp>
    • expect:
      • Allow function as standard schema  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9099 <samp>(ed8a2)</samp>
    • jsdom:
      • Reuse abort signals if possible  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9090 <samp>(2c468)</samp>
    • pool:
      • Init VITEST_POOL_ID + VITEST_WORKER_ID before environment setup  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9085 <samp>(37918)</samp>
    • web-worker:
      • postMessage to send ports to workers  -  by @whitphx and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9078 <samp>(9d176)</samp>

       🏎 Performance

    • Replace debug with obug  -  by @sxzz and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9057 <samp>(acc51)</samp>

        View changes on GitHub

    Open source →
33. 4.0.1321 Nov 2025
    Release notes

       🐞 Bug Fixes

    • types:
      • Don't use type from Vite 7.1  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9071 <samp>(6356b)</samp>
      • Don't import node.js dependent types in vitest/browser  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9068 <samp>(332af)</samp>

       🏎 Performance

    • Avoid fetchModule roundtrip if the module is cached  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9075 <samp>(b27e0)</samp>
    • experimental: If fsCacheModule is enabled, read from the memory when possible  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9076 <samp>(6b9a1)</samp>

        View changes on GitHub

    Open source →
34. 4.0.1220 Nov 2025
    Release notes

       🐞 Bug Fixes

    • Inherit fsModuleCachePath by default  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9063 <samp>(9a8bc)</samp>
    • Don't import from @opentelemetry/api in public types  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9066 <samp>(e944a)</samp>

        View changes on GitHub

    Open source →
35. 4.0.1120 Nov 2025
    Release notes

       🚀 Experimental Features

    • api: Add extensible test artifact API  -  by @macarie in https://github.com/vitest-dev/vitest/issues/8987 <samp>(77292)</samp>
      • See more at https://vitest.dev/api/advanced/artifacts
    • expect: Provide task in MatchState  -  by @macarie in https://github.com/vitest-dev/vitest/issues/9022 <samp>(afd1f)</samp>
    • experimental: Support OpenTelemetry traces  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8994 <samp>(d6d33)</samp>
      • See more at https://vitest.dev/guide/open-telemetry

       🏎 Performance

    • experimental: Add file system cache  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9026 <samp>(1b147)</samp>
      • See more at https://vitest.dev/config/experimental#experimental-fsmodulecache

        View changes on GitHub

    Open source →
36. 4.0.1017 Nov 2025
    Release notes

       🐞 Bug Fixes

    • Remove onCancel when worker is terminated  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9033 <samp>(6d7f0)</samp>
    • browser:
      • Don't scale the iframe if UI is disabled  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9018 <samp>(5406e)</samp>
      • Handle dependency stack traces with external source maps. Resolves: #9003  -  by @iclectic in https://github.com/vitest-dev/vitest/issues/9016 and https://github.com/vitest-dev/vitest/issues/9003 <samp>(57ae5)</samp>
    • bun:
      • Parsing of stack trace for bun runtime  -  by @nazarhussain in https://github.com/vitest-dev/vitest/issues/9032 <samp>(f3ec6)</samp>
    • core:
      • Prevent starting new run when cancelling  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8991 <samp>(eb98d)</samp>
    • pool:
      • Prevent writing to closed worker  -  by @AriPerkkio and @sheremet-va in https://github.com/vitest-dev/vitest/issues/9023 <samp>(042c6)</samp>
    • reporters:
      • Report correct test run duration at the end  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8969 <samp>(bc3a6)</samp>
    • ui:
      • Use execution time from ws reporter (onFinished)  -  by @userquin in https://github.com/vitest-dev/vitest/issues/8975 <samp>(f56dc)</samp>

        View changes on GitHub

    Open source →
37. 4.0.914 Nov 2025
    Release notes

       🚀 Experimental Features

    • expect: Add Set support to toBeOneOf  -  by @tim-we and @sheremet-va in https://github.com/vitest-dev/vitest/issues/8906 <samp>(a415d)</samp>

       🐞 Bug Fixes

    • browser: Add favicon icons to the browser mode ui  -  by @userquin in https://github.com/vitest-dev/vitest/issues/8972 <samp>(353ee)</samp>
    • forks: Increase worker start timeout  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9027 <samp>(5e750)</samp>
    • jsdom: Cloned request is an instance of Request  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8985 <samp>(506a9)</samp>
    • ui: Collect file/suite/test duration correctly  -  by @userquin in https://github.com/vitest-dev/vitest/issues/8976 <samp>(8016d)</samp>

        View changes on GitHub

    Open source →
38. 4.0.87 Nov 2025
    Release notes

       🐞 Bug Fixes

    • Workaround noExternal merging bug on Vite 6  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/8950 <samp>(bcb13)</samp>
    • Missed context.d.ts file  -  by @termorey in https://github.com/vitest-dev/vitest/issues/8965 <samp>(9044d)</samp>
    • Incorrect error message for non-awaited expect.element()  -  by @StyleShit in https://github.com/vitest-dev/vitest/issues/8954 <samp>(9638d)</samp>
    • browser: Cleanup frame-ancestors from CSP header at coverage middleware  -  by @userquin in https://github.com/vitest-dev/vitest/issues/8941 <samp>(1f730)</samp>
    • deps: Update all non-major dependencies  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8636 <samp>(da8b9)</samp>
    • forks: Do not fail with Windows Defender enabled  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8967 <samp>(c79f4)</samp>
    • runner: Properly encode Uint8Array body in annotations  -  by @Livan-pro in https://github.com/vitest-dev/vitest/issues/8951 <samp>(997ca)</samp>
    • spy: Copy static properties if spy is initialised with vi.fn(), fix types for vi.spyOn(obj, class)  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8956 <samp>(75e7f)</samp>
    • webdriverio: When no argument is passed to the .click interaction command, the webdriver command should also have no argument  -  by @julienw in https://github.com/vitest-dev/vitest/issues/8937 <samp>(069e6)</samp>

        View changes on GitHub

    Open source →
39. 4.0.74 Nov 2025
    Release notes

       🐞 Bug Fixes

    • Bind process in case global is overwritten  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8916 <samp>(6240d)</samp>
    • Create environment once per worker with isolate: false  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8915 <samp>(c9078)</samp>
    • Add Locator as a possible element type in toContainElement() matcher  -  by @vitalybaev in https://github.com/vitest-dev/vitest/issues/8910 and https://github.com/vitest-dev/vitest/issues/8927 <samp>(35a27)</samp>
    • browser: Inherit isolate option, deprecate browser.isolate/browser.fileParallelism  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8890 <samp>(9d2b4)</samp>
    • cli: Parse --execArgv as array  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8924 <samp>(751c3)</samp>
    • jsdom: Support URL.createObjectURL, FormData.set(prop, blob)  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8935 <samp>(a1b73)</samp>
    • pool: Avoid --require argument when running in deno  -  by @pi0 in https://github.com/vitest-dev/vitest/issues/8897 <samp>(d41fa)</samp>
    • typecheck: Handle re-runs outside tsc  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8920 <samp>(fdb2e)</samp>

       🏎 Performance

    • pool:
      • Sort test files by project by default  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8914 <samp>(680a6)</samp>
    • reporters:
      • Optimize getting the tests stats  -  by @Connormiha in https://github.com/vitest-dev/vitest/issues/8908 <samp>(06d62)</samp>
      • Remove unnecessary Array.from call  -  by @Connormiha in https://github.com/vitest-dev/vitest/issues/8907 <samp>(b6014)</samp>

        View changes on GitHub

    Open source →
40. 4.0.631 Oct 2025
    Release notes

       🐞 Bug Fixes

    • Don't merge errors with different diffs for reporting  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/8871 <samp>(3e19f)</samp>
    • Do not throw when importing a type from an external package  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8875 <samp>(7e6c3)</samp>
    • Improve spying types  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8878 <samp>(ca041)</samp>
    • Reuse the same environment when isolate and fileParallelism are false  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8889 <samp>(31706)</samp>
    • browser:
      • Support module tracking  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8877 <samp>(9e24a)</samp>
      • Ensure setup files are re-evaluated on each test run  -  by @yjaaidi in https://github.com/vitest-dev/vitest/issues/8883 and https://github.com/vitest-dev/vitest/issues/8884 <samp>(f50ea)</samp>
    • coverage:
      • Prevent filtering out virtual files before remapping to sources  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8860 <samp>(e3b77)</samp>
    • happy-dom:
      • Properly teardown additional keys  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8888 <samp>(10a06)</samp>
    • jsdom:
      • Pass down Node.js FormData to Request  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8880 <samp>(197ca)</samp>

        View changes on GitHub

    Open source →
41. 4.0.529 Oct 2025
    Release notes

       🐞 Bug Fixes

    • Respect ssr.noExternal when externalizing dependencies, fix Svelte and Astro  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8862 <samp>(a4f86)</samp>
    • Allow module in --config  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8864 <samp>(b9521)</samp>
    • browser: Allow Locator type in selectOptions element parameter  -  by @rzzf and @sheremet-va in https://github.com/vitest-dev/vitest/issues/8848 <samp>(7ee28)</samp>
    • module-runner: Don't return node builtins for getBuiltins unconditionally  -  by @sapphi-red in https://github.com/vitest-dev/vitest/issues/8863 <samp>(0e858)</samp>
    • pool: Rename groupId to groupOrder in error message  -  by @Yohannfra in https://github.com/vitest-dev/vitest/issues/8856 <samp>(b9aab)</samp>

       🏎 Performance

    • Pass testfiles at once when --no-isolate --maxWorkers=1  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8835 <samp>(584aa)</samp>
    • expect: Optimize checking the input type  -  by @Connormiha in https://github.com/vitest-dev/vitest/issues/8840 <samp>(06968)</samp>

        View changes on GitHub

    Open source →
42. 4.0.427 Oct 2025
    Release notes

       🐞 Bug Fixes

    • browser:
      • Correct typo  -  by @benmccann in https://github.com/vitest-dev/vitest/issues/8796 <samp>(ede1f)</samp>
      • Publish a missing context file for webdriverio  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8824 <samp>(7c7b6)</samp>
    • mocker:
      • Support mocking builtins without node: prefix  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8829 <samp>(06208)</samp>
    • pool:
      • Runner's error listener causing MaxListenersExceededWarning  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8820 <samp>(d1bff)</samp>
      • Capture workers stdio to logger  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8809 <samp>(fb95f)</samp>
    • spy:
      • Allow classes in vi.mocked utility  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8839 <samp>(f8756)</samp>
    • worker:
      • Rpc listener leak when isolate: false  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8821 <samp>(573dc)</samp>

       🏎 Performance

    • utils: Optimized reducer to avoid creating new objects  -  by @Connormiha in https://github.com/vitest-dev/vitest/issues/8818 <samp>(d19ce)</samp>

        View changes on GitHub

    Open source →
43. 4.0.324 Oct 2025
    Release notes

       🐞 Bug Fixes

    • Preserve reporter options from config when CLI reporters override them  -  by @Copilot and sheremet-va in https://github.com/vitest-dev/vitest/issues/8794 <samp>(15552)</samp>
    • browser: More stable in-source testing validation  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8793 <samp>(62297)</samp>
    • happy-dom: Support fetch globals  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8791 <samp>(0fb74)</samp>
    • init: Use correct jsx/tsx extension  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8792 <samp>(abc04)</samp>

        View changes on GitHub

    Open source →
44. 4.0.223 Oct 2025
    Release notes

       🐞 Bug Fixes

    • browser:
      • Don't print the deprecation notice in node_modules  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8779 <samp>(588f7)</samp>
    • pool:
      • Assign envs before running tests to keep in sync with process.env  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8769 <samp>(26ce8)</samp>
    • spy:
      • Properly inherit implementation's length  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8778 <samp>(d4c2b)</samp>
      • Reset spies if both restoreMocks and mockReset are set in the config  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8781 <samp>(2eedb)</samp>

        View changes on GitHub

    Open source →
45. 4.0.122 Oct 2025
    Release notes

       🐞 Bug Fixes

    • Move the getBuiltins check  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8765 <samp>(81000)</samp>
    • pool: Don't teardown the communication channel too soon if something is running after the test  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8767 <samp>(3fae7)</samp>

        View changes on GitHub

    Open source →
46. 4.0.022 Oct 2025
    Release notes

    Vitest 4.0 is out!

    To stay updated, read our blog post and check the migration guide.

       🚨 Breaking Changes

    • Remove 'basic' reporter  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/7884 <samp>(82fcf)</samp>
    • Simplify default exclude pattern  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/6287 <samp>(14c50)</samp>
    • Remove deprecated getSourceMap  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8194 <samp>(ff934)</samp>
    • Replace deprecated ErrorWithDiff with TestError  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8195 <samp>(da59e)</samp>
    • Remove UserConfig type in favor of ViteUserConfig  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8196 <samp>(22f7f)</samp>
    • Remove deprecated coverage options in favor of vitest/node exports  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8197 <samp>(dc848)</samp>
    • Remove deprecated internal helpers and environment exports  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8198 <samp>(4703c)</samp>
    • Remove deprecated typecheck and runner types  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8199 <samp>(89a1c)</samp>
    • Remove Node types from the main entry point, use vitest/node instead  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8200 <samp>(1e60c)</samp>
    • Remove support for Vite 5  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8202 <samp>(cb8b0)</samp>
    • Remove deprecated types  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8203 <samp>(66bee)</samp>
    • Remove deprecated environmentMatchGlobs and poolMatchGlobs  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8205 <samp>(be11d)</samp>
    • Remove deprecated workspace option in favor of projects  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8218 <samp>(76fb7)</samp>
    • Ignore --standalone when CLI filename filter is used  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8262 <samp>(013bf)</samp>
    • Use module-runner instead of vite-node  -  by @sheremet-va and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8208 <samp>(9be01)</samp>
    • Rewrite spying implementation to make module mocking more intuitive  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8363 <samp>(9e412)</samp>
    • Remove deprecated APIs  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8428 <samp>(a1cb9)</samp>
    • Remove minWorkers and set it automatically to 0 in non watch mode  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8454 <samp>(2c2d1)</samp>
    • Verbose reporter prints tests in a list, introduce tree reporter  -  by @sheremet-va and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8500 <samp>(25fd3)</samp>
    • Include shadow root contents in pretty-format output  -  by @wkillerud in https://github.com/vitest-dev/vitest/issues/8545 <samp>(9e722)</samp>
    • Remove deprecated order from test() API  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8594 <samp>(4d419)</samp>
    • Rewrite pools without tinypool  -  by @AriPerkkio and @sheremet-va in https://github.com/vitest-dev/vitest/issues/8705 <samp>(4822d)</samp>
    • browser: Require a provider factory instead of a string  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8445 <samp>(606cb)</samp>
    • expect: Pass current equality testers to asymmetric matcher  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/6825 <samp>(965ce)</samp>
    • projects: Allow only files that have "vitest.config" or "vite.config" in the name  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8542 <samp>(304bc)</samp>
    • reporter: Remove deprecated APIs  -  by @AriPerkkio and @sheremet-va in https://github.com/vitest-dev/vitest/issues/8223 <samp>(149f8)</samp>
    • runner: Set mode to todo if no function is passed down to test or describe  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8346 <samp>(1a81c)</samp>
    • snapshot: Fail test with obsolete snapshot on CI  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/7963 <samp>(4d84f)</samp>
    • spy: Support spying on classes  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/6160 <samp>(abc0d)</samp>

       🚀 Features

    • Provide entity to onConsoleLog  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8159 <samp>(437d4)</samp>
    • Add onUnhandledError callback  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8162 <samp>(924cb)</samp>
    • Add spy option to vi.mockObject  -  by @rChaoz in https://github.com/vitest-dev/vitest/issues/8285 <samp>(81d76)</samp>
    • Don't use vite-node in coverage packages  -  by @sheremet-va <samp>(ffdb4)</samp>
    • Clickable dashboard numbers  -  by @shairez in https://github.com/vitest-dev/vitest/issues/7406 <samp>(2344c)</samp>
    • Display test "path" when filtering  -  by @userquin in https://github.com/vitest-dev/vitest/issues/8547 <samp>(2e491)</samp>
    • Introduce separate packages for browser mode providers  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8629 <samp>(0dc93)</samp>
    • Add hooks with type-safe extra context to TestAPI  -  by @ysfaran in https://github.com/vitest-dev/vitest/issues/8623 <samp>(6b21c)</samp>
    • Support expect.assert for type narrowing  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8695 <samp>(fe589)</samp>
    • Add displayAnnotations option to github-options  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8706 <samp>(4a66d)</samp>
    • Add schema validation matchers  -  by @zirkelc in https://github.com/vitest-dev/vitest/issues/8527 <samp>(c0b25)</samp>
    • Add a way to dump transformed content  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8711 <samp>(931c0)</samp>
    • api:
      • Expose experimental_parseSpecifications  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8408 <samp>(fdeb2)</samp>
      • Expose Vitest watcher  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8413 <samp>(aaa6e)</samp>
      • Add enableCoverage and disableCoverage methods  -  by @sheremet-va and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8412 <samp>(61eb7)</samp>
      • Add getGlobalTestNamePattern method  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8438 <samp>(bdb70)</samp>
      • Add relativeModuleId to TestModule  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8505 <samp>(3be09)</samp>
      • Add getSeed method  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8592 <samp>(438c4)</samp>
    • browser:
      • Support toBeInViewport utility method to assert element is in viewport or not  -  by @Shinyaigeek in https://github.com/vitest-dev/vitest/issues/8234 <samp>(ceed5)</samp>
      • Add qwik to the vitest init cli command  -  by @thejackshelton in https://github.com/vitest-dev/vitest/issues/8330 <samp>(1638b)</samp>
      • Introduce toMatchScreenshot for Visual Regression Testing  -  by @macarie in https://github.com/vitest-dev/vitest/issues/8041 <samp>(d45f9)</samp>
      • Add trackUnhandledErrors option  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8386 <samp>(c0ec0)</samp>
      • Support iframe locator with playwright provider  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8016 <samp>(57b2c)</samp>
      • Add length property to locators, toHaveLength now accepts locators  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8512 <samp>(2308c)</samp>
      • Support playwright tracing  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8584 <samp>(1aac5)</samp>
      • Expose options on BrowserProviderOption  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8609 <samp>(0d0e5)</samp>
      • Support --inspect option in webdriverio  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8613 <samp>(38adc)</samp>
      • Support custom screenshot comparison algorithms  -  by @macarie in https://github.com/vitest-dev/vitest/issues/8687 <samp>(e63b1)</samp>
    • coverage:
      • autoUpdate to support percentage formatting  -  by @Battjmo and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8456 <samp>(99e01)</samp>
    • expect:
      • Support toBeNullable expect function to check provided value is nullish  -  by @Shinyaigeek and @sheremet-va in https://github.com/vitest-dev/vitest/issues/8294 <samp>(eeec5)</samp>
    • mocker:
      • Add automocker entry  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8301 <samp>(e9c92)</samp>

       🐞 Bug Fixes

    • Allow overriding globals in types  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8215 <samp>(2248b)</samp>
    • Remove unused dependencies  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8184 <samp>(feadc)</samp>
    • Distribute test files to shards more evenly  -  by @Shinyaigeek and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8288 <samp>(7b489)</samp>
    • Use suite's timeout when test.extend  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8278 <samp>(43977)</samp>
    • Support snapshot with no object key sorting  -  by @hi-ogawa and @sheremet-va in https://github.com/vitest-dev/vitest/issues/8136 <samp>(e85e3)</samp>
    • Annotation location always points to the test file  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8315 <samp>(88071)</samp>
    • Add --changed flag support to vitest list command  -  by @haakonjackfloat in https://github.com/vitest-dev/vitest/issues/8270 and https://github.com/vitest-dev/vitest/issues/8272 <samp>(e71a5)</samp>
    • Prevent rpc timeout on slow thread blocking synchronous methods  -  by @AriPerkkio and @sheremet-va in https://github.com/vitest-dev/vitest/issues/8297 <samp>(bea87)</samp>
    • Forbid setting environment to browser  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8334 <samp>(0417a)</samp>
    • Invalidate modules in all module graphs when the file is changed  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8352 <samp>(94ab3)</samp>
    • Screenshot masks with Playwright provider  -  by @macarie in https://github.com/vitest-dev/vitest/issues/8357 <samp>(459ef)</samp>
    • Configure oxc instead of esbuild on rolldown-vite  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/8378 <samp>(e922e)</samp>
    • Make sure test errors always have stacks property in Node.js context  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8392 <samp>(b825e)</samp>
    • Support import.meta.resolve on Vite 7  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/8493 <samp>(549d3)</samp>
    • Show the assertion error first when expect.poll assertion fails  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8483 <samp>(fb450)</samp>
    • Override fake timers when useFakeTimers is called multiple times  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8504 <samp>(ed7e3)</samp>
    • Custom expect messages for expect.extend matchers  -  by @lzl0304 in https://github.com/vitest-dev/vitest/issues/8520 <samp>(96945)</samp>
    • Process sourcemaps for stack traces from globalSetup files  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8534 <samp>(8978a)</samp>
    • Resolve performance issue when throwing errors with stackTraceLimit = 0  -  by @Copilot, sheremet-va and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8531 <samp>(6d5b5)</samp>
    • Avoid recursively applying $ and % formatting to test.for/each title  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/8557 <samp>(ea6d7)</samp>
    • Replace wildcard exports "./*" with specific files in vitest package  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/8560 <samp>(ce746)</samp>
    • Don't publish unused d.ts files  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8562 <samp>(42dfd)</samp>
    • Remove loupe dependencies from optimizeDeps.include for browser mode  -  by @jake-danton in https://github.com/vitest-dev/vitest/issues/8570 <samp>(cdcf7)</samp>
    • Update engines field to drop Node 18 support  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8608 <samp>(9a0bf)</samp>
    • Correctly inherit test options on extended tests  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8618 <samp>(15c09)</samp>
    • Update @types/node peer deps  -  by @sheremet-va <samp>(ee6b2)</samp>
    • Re-export CDP Session directly from playwright  -  by @mrginglymus in https://github.com/vitest-dev/vitest/issues/8702 <samp>(9553a)</samp>
    • Disable trackUnhandledErrors if inspector is enabled  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8732 <samp>(acac7)</samp>
    • base option doesn't crash vitest  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8760 <samp>(9f0ec)</samp>
    • browser:
      • Run in-source tests only when the file itsels is a test file  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8204 <samp>(bdd2e)</samp>
      • locator.element() returns HTMLElement or SVGElement  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8440 <samp>(c1ac1)</samp>
      • Don't import from vite directly  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8541 <samp>(d7fca)</samp>
      • Update expect.element type to match the implementation  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8597 <samp>(b2804)</samp>
      • Throw an error if iframe is not accessible anymore  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8601 <samp>(6acdc)</samp>
      • Stop creating unnecessary directories when taking screenshots  -  by @macarie in https://github.com/vitest-dev/vitest/issues/8605 <samp>(b1c8f)</samp>
      • Always define commands  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8626 <samp>(acbe0)</samp>
      • Exclude deprecated context import from optimization  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8658 <samp>(a96ea)</samp>
      • Allow importing BrowserCommand if no browser package is installed  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8666 <samp>(95c36)</samp>
      • Define an export for browser/utils  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8678 <samp>(529ab)</samp>
      • Allow service workers to mock the network in chromium without breaking vi.mock  -  by @Georgegriff and @sheremet-va in https://github.com/vitest-dev/vitest/issues/8668 <samp>(87108)</samp>
      • Support sync not.toBeInTheDocument()  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8751 <samp>(f5d06)</samp>
    • core:
      • Fix objectContaining expect utility to have more compatibility to jest's one  -  by @Shinyaigeek in https://github.com/vitest-dev/vitest/issues/8241 <samp>(480be)</samp>
    • coverage:
      • Include files based on --project filter  -  by @gtbuchanan in https://github.com/vitest-dev/vitest/issues/7885 <samp>(761be)</samp>
      • Prevent encoding filenames of uncovered files  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8239 <samp>(8a998)</samp>
      • Handle query param based transforms correctly  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8418 <samp>(a400a)</samp>
      • Enforce order of vitest:coverage-transform plugin  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8477 <samp>(ff517)</samp>
      • V8 to ignore Vite's generated cjs import helpers  -  by @mrginglymus and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8718 <samp>(35816)</samp>
      • Keep only strings in coverage.exclude  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8731 <samp>(c9c30)</samp>
    • deps:
      • Update all non-major dependencies  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8235 <samp>(a1e57)</samp>
      • Update all non-major dependencies  -  in https://github.com/vitest-dev/vitest/issues/8328 <samp>(aa79e)</samp>
      • Update all non-major dependencies  -  in https://github.com/vitest-dev/vitest/issues/8348 <samp>(13f94)</samp>
      • Update all non-major dependencies  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8382 <samp>(704eb)</samp>
      • Update all non-major dependencies  -  in https://github.com/vitest-dev/vitest/issues/8550 <samp>(048f7)</samp>
    • jsdom:
      • Override globals that Fetch API relies on  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8390 <samp>(05b41)</samp>
      • Support AbortSignal API  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8704 <samp>(f6690)</samp>
    • mocker:
      • Fix regexpHoistable to allow whitespace before parentheses  -  by @cszhjh in https://github.com/vitest-dev/vitest/issues/8231 <samp>(a0f9a)</samp>
    • module-runner:
      • Resolve resolvedSources correctly  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8736 <samp>(8fc52)</samp>
      • Support getBuiltins  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8746 <samp>(87bb8)</samp>
    • pool:
      • Properly reuse the vm pool  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8758 <samp>(08498)</samp>
    • reporter:
      • Invisible CLI menus when vitest --standalone  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8248 <samp>(37cc2)</samp>
    • rolldown-vite:
      • Properly disable minifier in the browser client  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8306 <samp>(f55bb)</samp>
    • runner:
      • Don't bundle runner with utils  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8496 <samp>(2b4b0)</samp>
    • spy:
      • Fix spyOn types with optional method  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8499 <samp>(d3afa)</samp>
      • Can respy on an exported method  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8521 <samp>(bf450)</samp>
      • Don't fail when spying on static getters  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8589 <samp>(ac1d9)</samp>
    • types:
      • Ensure Chai declaration merge works with TS-Go  -  by @LukeAbby in https://github.com/vitest-dev/vitest/issues/8188 <samp>(5261d)</samp>
      • Allow returning a promise from defineConfig  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8651 <samp>(c3474)</samp>
    • ui:
      • Keep the same tab open when clicking on different tests  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8599 <samp>(3e535)</samp>
    • utils:
      • Remove ast export  -  by @bluwy in https://github.com/vitest-dev/vitest/issues/8435 <samp>(21622)</samp>
    • vitest:
      • Override config.include option with config.browser.instances[].include option if it is specified  -  by @Shinyaigeek in https://github.com/vitest-dev/vitest/issues/8260 <samp>(010fc)</samp>
    • watch:
      • Filename filter runs duplicate tests in workspaces  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8250 <samp>(932d8)</samp>
    • wdio:
      • Wait for the driver to be properly closed  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8305 <samp>(c16ab)</samp>
      • Properly construct the shadow root selector if there are multiple elements  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8354 <samp>(28765)</samp>

       🏎 Performance

    • Avoid spawning extra workers if no tests will run there  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8446 <samp>(3fb3e)</samp>
    • Don't set process.title  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8453 <samp>(0a766)</samp>
    • Remove chai as a direct dependency, keep it in @vitest/expect  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8461 <samp>(cc98c)</samp>
    • Reduce the amount of dynamic imports  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8465 <samp>(db6cd)</samp>
    • Use ES2022 language features  -  by @TrevorBurnham in https://github.com/vitest-dev/vitest/issues/8492 <samp>(bb34c)</samp>
    • Delay populating node-globals  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8506 <samp>(41cbc)</samp>
    • Get workerId from a global object  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8507 <samp>(46b13)</samp>
    • Replace startsWith with strict equality  -  by @btea in https://github.com/vitest-dev/vitest/issues/8546 <samp>(c42e6)</samp>
    • Reduce the number of unused imports  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8508 <samp>(9a79b)</samp>
    • Use experimental meta.resolve flag instead of a custom loader  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8567 <samp>(2e063)</samp>
    • Create only one fetcher per project  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8762 <samp>(8e15b)</samp>
    • pool: Resolve all environments first  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8759 <samp>(d3ef4)</samp>

        View changes on GitHub

    Open source →
47. 4.0.0-beta.1921 Oct 2025pre-release
    Release notes

       🚨 Breaking Changes

    • Rewrite pools without tinypool  -  by @AriPerkkio and @sheremet-va in https://github.com/vitest-dev/vitest/issues/8705 <samp>(4822d)</samp>

       🐞 Bug Fixes

    • Disable trackUnhandledErrors if inspector is enabled  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8732 <samp>(acac7)</samp>
    • browser:
      • Allow service workers to mock the network in chromium without breaking vi.mock  -  by @Georgegriff and @sheremet-va in https://github.com/vitest-dev/vitest/issues/8668 <samp>(87108)</samp>
      • Support sync not.toBeInTheDocument()  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8751 <samp>(f5d06)</samp>
    • coverage:
      • V8 to ignore Vite's generated cjs import helpers  -  by @mrginglymus and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8718 <samp>(35816)</samp>
      • Keep only strings in coverage.exclude  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8731 <samp>(c9c30)</samp>
    • module-runner:
      • Resolve resolvedSources correctly  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8736 <samp>(8fc52)</samp>
      • Support getBuiltins  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8746 <samp>(87bb8)</samp>

        View changes on GitHub

    Open source →
48. 4.0.0-beta.1815 Oct 2025pre-release
    Release notes

       🚀 Features

    • Support expect.assert for type narrowing  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8695 <samp>(fe589)</samp>
    • Add displayAnnotations option to github-options  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8706 <samp>(4a66d)</samp>
    • Add schema validation matchers  -  by @zirkelc in https://github.com/vitest-dev/vitest/issues/8527 <samp>(c0b25)</samp>
    • Add a way to dump transformed content  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8711 <samp>(931c0)</samp>
    • browser: Support custom screenshot comparison algorithms  -  by @macarie in https://github.com/vitest-dev/vitest/issues/8687 <samp>(e63b1)</samp>

       🐞 Bug Fixes

    • Re-export CDP Session directly from playwright  -  by @mrginglymus in https://github.com/vitest-dev/vitest/issues/8702 <samp>(9553a)</samp>
    • browser: Define an export for browser/utils  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8678 <samp>(529ab)</samp>
    • jsdom: Support AbortSignal API  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8704 <samp>(f6690)</samp>

        View changes on GitHub

    Open source →
49. 4.0.0-beta.176 Oct 2025pre-release
    Release notes

       🐞 Bug Fixes

    • browser: Allow importing BrowserCommand if no browser package is installed  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8666 <samp>(95c36)</samp>

        View changes on GitHub

    Open source →
50. 4.0.0-beta.163 Oct 2025pre-release
    Release notes

       🚀 Features

    • Add hooks with type-safe extra context to TestAPI  -  by @ysfaran in https://github.com/vitest-dev/vitest/issues/8623 <samp>(6b21c)</samp>

       🐞 Bug Fixes

    • Update @types/node peer deps  -  by @sheremet-va <samp>(ee6b2)</samp>
    • browser: Exclude deprecated context import from optimization  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8658 <samp>(a96ea)</samp>
    • types: Allow returning a promise from defineConfig  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8651 <samp>(c3474)</samp>

        View changes on GitHub

    Open source →
51. 4.0.0-beta.151 Oct 2025pre-release
    Release notes

    No significant changes

        View changes on GitHub

    Open source →
52. 4.0.0-beta.141 Oct 2025pre-release
    Release notes

       🚨 Breaking Changes

    • Introduce separate packages for browser mode providers  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8629 <samp>(0dc93)</samp>

       🐞 Bug Fixes

    • Correctly inherit test options on extended tests  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8618 <samp>(15c09)</samp>
    • browser: Always define commands  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8626 <samp>(acbe0)</samp>

        View changes on GitHub

    Open source →
53. 4.0.0-beta.1324 Sept 2025pre-release
    Release notes

       🚀 Features

    • browser:
      • Expose options on BrowserProviderOption  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8609 <samp>(0d0e5)</samp>
      • Support --inspect option in webdriverio  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8613 <samp>(38adc)</samp>

       🐞 Bug Fixes

    • browser: Stop creating unnecessary directories when taking screenshots  -  by @macarie in https://github.com/vitest-dev/vitest/issues/8605 <samp>(b1c8f)</samp>

        View changes on GitHub

    Open source →
54. 4.0.0-beta.1222 Sept 2025pre-release
    Release notes

       🚨 Breaking Changes

    • Remove deprecated order from test() API  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8594 <samp>(4d419)</samp>

       🚀 Features

    • api: Add getSeed method  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8592 <samp>(438c4)</samp>
    • browser: Support playwright tracing  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8584 <samp>(1aac5)</samp>

       🐞 Bug Fixes

    • Remove loupe dependencies from optimizeDeps.include for browser mode  -  by @jake-danton in https://github.com/vitest-dev/vitest/issues/8570 <samp>(cdcf7)</samp>
    • Update engines field to drop Node 18 support  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8608 <samp>(9a0bf)</samp>
    • browser:
      • Update expect.element type to match the implementation  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8597 <samp>(b2804)</samp>
      • Throw an error if iframe is not accessible anymore  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8601 <samp>(6acdc)</samp>
    • spy:
      • Don't fail when spying on static getters  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8589 <samp>(ac1d9)</samp>
    • ui:
      • Keep the same tab open when clicking on different tests  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8599 <samp>(3e535)</samp>

       🏎 Performance

    • Use experimental meta.resolve flag instead of a custom loader  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8567 <samp>(2e063)</samp>

        View changes on GitHub

    Open source →
55. 4.0.0-beta.1111 Sept 2025pre-release
    Release notes

       🚨 Breaking Changes

    • Verbose reporter prints tests in a list, introduce tree reporter  -  by @sheremet-va and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8500 <samp>(25fd3)</samp>
    • Include shadow root contents in pretty-format output  -  by @wkillerud in https://github.com/vitest-dev/vitest/issues/8545 <samp>(9e722)</samp>
    • expect: Pass current equality testers to asymmetric matcher  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/6825 <samp>(965ce)</samp>
    • projects: Allow only files that have "vitest.config" or "vite.config" in the name  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8542 <samp>(304bc)</samp>

       🚀 Features

    • Clickable dashboard numbers  -  by @shairez in https://github.com/vitest-dev/vitest/issues/7406 <samp>(2344c)</samp>
    • Display test "path" when filtering  -  by @userquin in https://github.com/vitest-dev/vitest/issues/8547 <samp>(2e491)</samp>

       🐞 Bug Fixes

    • Custom expect messages for expect.extend matchers  -  by @lzl0304 in https://github.com/vitest-dev/vitest/issues/8520 <samp>(96945)</samp>
    • Process sourcemaps for stack traces from globalSetup files  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8534 <samp>(8978a)</samp>
    • Resolve performance issue when throwing errors with stackTraceLimit = 0  -  by @Copilot, sheremet-va and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8531 <samp>(6d5b5)</samp>
    • Avoid recursively applying $ and % formatting to test.for/each title  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/8557 <samp>(ea6d7)</samp>
    • Replace wildcard exports "./*" with specific files in vitest package  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/8560 <samp>(ce746)</samp>
    • Don't publish unused d.ts files  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8562 <samp>(42dfd)</samp>
    • browser: Don't import from vite directly  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8541 <samp>(d7fca)</samp>
    • deps: Update all non-major dependencies  -  in https://github.com/vitest-dev/vitest/issues/8550 <samp>(048f7)</samp>
    • spy: Can respy on an exported method  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8521 <samp>(bf450)</samp>

       🏎 Performance

    • Replace startsWith with strict equality  -  by @btea in https://github.com/vitest-dev/vitest/issues/8546 <samp>(c42e6)</samp>
    • Reduce the number of unused imports  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8508 <samp>(9a79b)</samp>

        View changes on GitHub

    Open source →
56. 4.0.0-beta.101 Sept 2025pre-release
    Release notes

       🚨 Breaking Changes

    • browser: Require a provider factory instead of a string  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8445 <samp>(606cb)</samp>

       🚀 Features

    • api:
      • Add relativeModuleId to TestModule  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8505 <samp>(3be09)</samp>
    • browser:
      • Support iframe locator with playwright provider  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8016 <samp>(57b2c)</samp>
      • Add length property to locators, toHaveLength now accepts locators  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8512 <samp>(2308c)</samp>
    • coverage:
      • autoUpdate to support percentage formatting  -  by @Battjmo and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8456 <samp>(99e01)</samp>

       🐞 Bug Fixes

    • Support import.meta.resolve on Vite 7  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/8493 <samp>(549d3)</samp>
    • Show the assertion error first when expect.poll assertion fails  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8483 <samp>(fb450)</samp>
    • Override fake timers when useFakeTimers is called multiple times  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8504 <samp>(ed7e3)</samp>
    • deps: Update all non-major dependencies  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8382 <samp>(704eb)</samp>
    • runner: Don't bundle runner with utils  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8496 <samp>(2b4b0)</samp>
    • spy: Fix spyOn types with optional method  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8499 <samp>(d3afa)</samp>

       🏎 Performance

    • Use ES2022 language features  -  by @TrevorBurnham in https://github.com/vitest-dev/vitest/issues/8492 <samp>(bb34c)</samp>
    • Delay populating node-globals  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8506 <samp>(41cbc)</samp>
    • Get workerId from a global object  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8507 <samp>(46b13)</samp>
    • Update tinypool to v2.0.0  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8513 <samp>(a8c7f)</samp>

        View changes on GitHub

    Open source →
57. 4.0.0-beta.926 Aug 2025pre-release
    Release notes

       🚨 Breaking Changes

    • Remove minWorkers and set it automatically to 0 in non watch mode  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8454 <samp>(2c2d1)</samp>

       🚀 Features

    • api: Add getGlobalTestNamePattern method  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8438 <samp>(bdb70)</samp>

       🐞 Bug Fixes

    • browser:
      • locator.element() returns HTMLElement or SVGElement  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8440 <samp>(c1ac1)</samp>
    • coverage:
      • Handle query param based transforms correctly  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8418 <samp>(a400a)</samp>
      • Enforce order of vitest:coverage-transform plugin  -  by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8477 <samp>(ff517)</samp>
    • utils:
      • Remove ast export  -  by @bluwy in https://github.com/vitest-dev/vitest/issues/8435 <samp>(21622)</samp>

       🏎 Performance

    • Avoid spawning extra workers if no tests will run there  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8446 <samp>(3fb3e)</samp>
    • Don't set process.title  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8453 <samp>(0a766)</samp>
    • Remove chai as a direct dependency, keep it in @vitest/expect  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8461 <samp>(cc98c)</samp>
    • Reduce the amount of dynamic imports  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8465 <samp>(db6cd)</samp>

        View changes on GitHub

    Open source →
58. 4.0.0-beta.812 Aug 2025pre-release
    Release notes

       🚨 Breaking Changes

    • Remove deprecated APIs  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8428 <samp>(a1cb9)</samp>

       🚀 Features

    • api: Add enableCoverage and disableCoverage methods  -  by @sheremet-va and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/8412 <samp>(61eb7)</samp>

        View changes on GitHub

    Open source →
59. 4.0.0-beta.78 Aug 2025pre-release
    Release notes

       🚀 Features

    • api:
      • Expose experimental_parseSpecifications  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8408 <samp>(fdeb2)</samp>
      • Expose Vitest watcher  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8413 <samp>(aaa6e)</samp>
    • browser:
      • Add trackUnhandledErrors option  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8386 <samp>(c0ec0)</samp>

       🐞 Bug Fixes

    • Make sure test errors always have stacks property in Node.js context  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8392 <samp>(b825e)</samp>
    • jsdom: Override globals that Fetch API relies on  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8390 <samp>(05b41)</samp>

        View changes on GitHub

    Open source →
60. 4.0.0-beta.64 Aug 2025pre-release
    Release notes

       🚨 Breaking Changes

    • Rewrite spying implementation to make mocking more intuitive  -  by @sheremet-va in https://github.com/vitest-dev/vitest/issues/8363 <samp>(9e412)</samp>
    • reporter: Remove deprecated APIs  -  by @AriPerkkio and @sheremet-va in https://github.com/vitest-dev/vitest/issues/8223 <samp>(149f8)</samp>

       🐞 Bug Fixes

    • Screenshot masks with Playwright provider  -  by @macarie in https://github.com/vitest-dev/vitest/issues/8357 <samp>(459ef)</samp>
    • Configure oxc instead of esbuild on rolldown-vite  -  by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/8378 <samp>(e922e)</samp>
    • deps: Update all non-major dependencies  -  in https://github.com/vitest-dev/vitest/issues/8348 <samp>(13f94)</samp>
    • vitest: Override config.include option with config.browser.instances[].include option if it is specified  -  by @Shinyaigeek in https://github.com/vitest-dev/vitest/issues/8260 <samp>(010fc)</samp>

        View changes on GitHub

    Open source →