Added 1
- Add screenshotDirectory config to browser.expect.toMatchScreenshot
Changed 15
- Replace loupe.inspect with pretty-format
- Remove quotes from string values in test.for/each title $ variable
- Change default attachmentsDir from .vitest-attachements/ to .vitest/attachments/
- Represent locator as an object instead of a string
- Inline expect package
- Require Node.js 22 and Vite 6.4
- Fail expect.poll when function didn't resolve in time
- Throw an error if hoistable methods are outside the top level scope
- Make toHaveTextContent strict and add toMatchTextContent as alternative
- Don't lookup config file from ancestor directories
- Allow mutating happy-dom/jsdom window object
- Expose concurrencyId/workerId on TestModule's diagnostics and make id 1-based
- Update @sinonjs/fake-timers and support mocking Temporal
- Clear mocks by default before each test
- Support nested projects
Removed 4
- Remove sequential test/suite options in favor of concurrent
- Remove deprecated entry points
- Inline @vitest/runner package and do not publish it anymore
- Remove webdriverio package
From Vitest
Vitest 5 is officially out! This release focuses on performance and brings a lot of new features while fixing long-standing bugs. See our blog post for the official announcement.
🚨 Breaking Changes
- Replace
loupe.inspectwith pretty-format - by @hi-ogawa, Claude Opus 5 (1M context) and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/9609 (3f802) - Remove quotes from string values in
test.for/eachtitle$variable (take 2) - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10170 (04d37) - Default
attachmentsDirfrom.vitest-attachements/to.vitest/attachments/- by @MdSadiqMd in https://github.com/vitest-dev/vitest/issues/10186 (1ba73) - Remove
sequentialtest/suite options in favor ofconcurrent- by @hi-ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10198 (9229f) - Represent locator as an object instead of a string - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10212 (80f07)
- Inline
expectpackage - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10221 (ad162) - Remove deprecated entry points - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10222 (994c6)
- Require Node.js 22 and Vite 6.4 - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10178 (38762)
- Fail
expect.pollwhen function didn't resolve in time - by @hi-ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10233 (4df04) - Throw an error if hoistable methods are outside the top level scope - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10460 (d0b4f)
toHaveTextContentis strict, addtoMatchTextContentas alternative - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10473 (18f30)- Don't lookup config file from ancestor directories - by @hi-ogawa, OpenAI Codex and Hiroshi Ogawa in https://github.com/vitest-dev/vitest/issues/10428 (945d9)
- Inline
@vitest/runnerpackage, do not publish it anymore - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10511 (6d6e4) - Allow mutating happy-dom/jsdom window object - by @hi-ogawa, Hiroshi Ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10373 (206e8)
- Expose
concurrencyId/workerIdon TestModule's diagnostics, make id 1-based - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10516 (bdd98) - Add
screenshotDirectoryconfig tobrowser.expect.toMatchScreenshot- by @macarie in https://github.com/vitest-dev/vitest/issues/10592 (a60de) - Update
@sinonjs/fake-timersand support mockingTemporal- by @hi-ogawa, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in https://github.com/vitest-dev/vitest/issues/10654 (f8b15) - Remove webdriverio package - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10675 (5fed6)
- Clear mocks by default before each test - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10613 (0f646)
- Don't emit localStorage warnings on Node 26, fail gracefully when worker fails to start - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10293 (334ed)
- Separate config resolution from the server creation - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10554 (1c0ec)
- Inline projects extend the root config by default - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10750 (fec00)
- Enable mocking Temporal without fake timers - by @fabon-f, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in https://github.com/vitest-dev/vitest/issues/10757 (ac2d4)
- Support nested projects - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10846 (ec367)
- Use
>as separator in-t, calculateonlyonce - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10686 (a0b20) - Fail the test when an asynchronous assertion is not awaited - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10868 (86d4a)
- Share the Vite server between inline projects - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10848 (d87c9)
- Parse files statically in vitest list by default - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/11088 (51e94)
- benchmark:
- Rewrite the public API - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10113 (19f6e)
- browser:
- Iframe scale - by @macarie in https://github.com/vitest-dev/vitest/issues/9745 (b6398)
- Enable
locators.exactby default - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10430 (e2032) - Require
sessionIdfor orchestrator html request - by @hi-ogawa, Hiroshi Ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10522 (79b7d) - Save failure screenshots in
attachmentsDir- by @macarie in https://github.com/vitest-dev/vitest/issues/10917 (3b5bb)
- coverage:
include/excludeglobs too eager - by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9818 (edacb)- Allow
thresholds.perFileto accept an object - by @vladlenskiy and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10190 (13b78)
- 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 (6c3e4)
- Fix
- mocker:
- Deserialize automock as automock - by @nami8824 in https://github.com/vitest-dev/vitest/issues/10192 (2f892)
- reporters:
blobreporter and--merge-reportsdefault to.vitest/blob/- by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10232 (d22b0)- Write json and junit reporter output files to
.vitestby default - by @hi-ogawa, Hiroshi Ogawa, OpenCode (gpt-5.6-sol) and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10621 (58577)
- spy:
- Preserve class mock prototype methods on instances - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10910 (6093d)
- types:
- Add better promise support in expects and matchers - by @samchungy and @sheremet-va in https://github.com/vitest-dev/vitest/issues/8266 (41f55)
- ui:
- Harden UI API access - by @hi-ogawa, Hiroshi Ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10583 (4c26d)
- Change html reporter default output to
.vitest- by @hi-ogawa and Hiroshi Ogawa in https://github.com/vitest-dev/vitest/issues/10620 (29c36)
🚀 Features
- Add
createReportand.vitestreport directory convention - by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9993 (72a6d) - Expose default reporters through
configDefaults.reporters- by @hi-ogawa and Claude Opus 5 (1M context) in https://github.com/vitest-dev/vitest/issues/10219 (083f6) - Support merge reports for non-sharded multi-environment runs (take 2) - by @hi-ogawa, Claude Opus 5 (1M context), OpenAI Codex and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10031 (e60b2)
- Add
logger.formatError- by @hi-ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10268 (2c5f3) - Support typescript build mode - by @lishaduck in https://github.com/vitest-dev/vitest/issues/9870 (106da)
- Add toggable
injectCjsGlobalsoption - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10709 (82671) - Promote fsModuleCache to a top-level option - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10734 (78ed7)
- Support non-ascii characters in
for/eachtitle placeholders - by @k-yle in https://github.com/vitest-dev/vitest/issues/10773 (15e0a) - Report the duration breakdown as percentages - by @sheremet-va and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10820 (c67d2)
- Promote parseSpecifications out of experimental - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/11087 (b628c)
- Promote clearCache out of experimental - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/11086 (d4fe1)
- api:
- Expose logs recorded during the test - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10277 (cba20)
- benchmark:
- Add pluggable benchmark provider API - by @GuillaumeLagrange and @sheremet-va in https://github.com/vitest-dev/vitest/issues/10799 (86c70)
- browser:
- Export aria tree utils - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10171 (c3423)
- Support dom snapshot trace view - by @hi-ogawa, Claude Opus 5 (1M context) and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10102 (7eddd)
- Provide project reference in
ToMatchScreenshotResolvePath- by @macarie and @sheremet-va in https://github.com/vitest-dev/vitest/issues/10138 (16654) - Show aria tree on locator element error - by @hi-ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10257 (04f04)
- Support custom
kindinpage.mark- by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10302 (053e8) - Live update trace view on watch UI - by @hi-ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10296 (78c11)
- Add
context.markfor custom command tracing - by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10329 (aa514) - Show trace view steps in editor panel - by @hi-ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10404 (8c4b6)
- Display nested mark trace in UI - by @hi-ogawa, Hiroshi Ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10437 (86ffc)
- cli:
- Add
--repeatsCLI option - by @todor-a in https://github.com/vitest-dev/vitest/issues/10504 (ee48b) - Support -p shorthand for --project - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10826 (1addd)
- Add
- coverage:
- V8 to track
node:child_processandnode:worker_threadscontexts - by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/9976 (9baa5) thresholds.autoUpdateto receive previous threshold as argument - by @wouterkroes in https://github.com/vitest-dev/vitest/issues/10495 (04f81)- Switch to
@vitest/istanbuljspackages - by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/11053 (5f6a5)
- V8 to track
- junit-reporter:
- Add jest-junit-compatible naming options - by @neumaennl, neumaennl, Martin Neumann and Copilot in https://github.com/vitest-dev/vitest/issues/10189 (27393)
- reporter:
- Support html reporter single file output - by @hi-ogawa, OpenAI Codex and Claude Opus 5 (1M context) in https://github.com/vitest-dev/vitest/issues/10235 (f757e)
- Add custom GitHub Actions summary title - by @heyJonBray and @macarie in https://github.com/vitest-dev/vitest/issues/10891 (4363c)
- ui:
- Highlight editor source locations - by @sheremet-va, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in https://github.com/vitest-dev/vitest/issues/11004 (bce2d)
- Navigate trace steps with keyboard and remove indirect editor focus - by @sheremet-va, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in https://github.com/vitest-dev/vitest/issues/11005 (6816f)
- Persist trace view selection in URL - by @hi-ogawa, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in https://github.com/vitest-dev/vitest/issues/10981 (3069e)
- Toggle trace target highlight - by @hi-ogawa, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in https://github.com/vitest-dev/vitest/issues/11049 (cd63e)
- Add link to open playwright trace - by @hi-ogawa, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in https://github.com/vitest-dev/vitest/issues/11059 (58f02)
- vitest:
- Create
vi.when()- by @macarie in https://github.com/vitest-dev/vitest/issues/10174 (3900e)
- Create
- vm:
- Support
require(esm)in vm pools - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10829 (01298)
- Support
🐞 Bug Fixes
- Global
sequence.concurrent: truewith top-leveltest(..., { concurrent: false })+ depreactesequentialtest API and options - by @hi-ogawa, OpenAI Codex and @sheremet-va in https://github.com/vitest-dev/vitest/issues/10194 (9387f) - Test
tagsoptions should overwrite inherited suite options + inherit suite options intaskAPI - by @hi-ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10216 (457db) - Udpate optimize deps config - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10223 (95dc6)
- Shell injection safety via github.ref_name in publish workflow - by @lloyd-c137 and lloyd-c137 in https://github.com/vitest-dev/vitest/issues/10327 (dd020)
- Make
attachmentsDirroot only config - by @hi-ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10334 (fab1b) - Apply cjs interop for truthy
__esModule- by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10363 (2b135) - Preserve
vi.defineHelpercallsite for async error stack - by @macayu17 and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10415 (ac697) - Respect
disableConsoleInterceptin browser mode - by @Copilot, Hiroshi Ogawa, @hi-ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10391 (66110) - ForceRerunTriggers uses directory globs against files - by @Patrick-Clausen and Patrick Clausen in https://github.com/vitest-dev/vitest/issues/10421 and https://github.com/vitest-dev/vitest/issues/10420 (4fee2)
- Unify typechecking and ast collection - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10449 (af993)
- Don't print typecheck warning more than once - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10461 (15275)
- Correct collumn when parsing tests - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10467 (7c2fc)
- Fix mixed stdout/stderr log timestamps in
onUserConsoleLog- by @Copilot, Hiroshi Ogawa, @hi-ogawa and @sheremet-va in https://github.com/vitest-dev/vitest/issues/10308 (62756) - Fix
importOriginalwith optimizer and query import - by @davidxharris, David Harris, @hi-ogawa, Hiroshi Ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10469 (6a3bb) - Correct transform time calculation in merged report - by @potatomatoooo and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10570 and https://github.com/vitest-dev/vitest/issues/10578 (b7897)
- Fix
setImmediateawait in detect-async-leak - by @hi-ogawa and Hiroshi Ogawa in https://github.com/vitest-dev/vitest/issues/10608 (dd62b) - Fix per-project
sequenceconfig - by @hi-ogawa, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in https://github.com/vitest-dev/vitest/issues/10659 (40cdc) - Add handshake timeout to iframe communication - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10656 (3545f)
- Don't print column in test names when
includeTaskLocationis enabled - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10681 (bd9cc) - Disable server HMR before plugins read it in their config hook - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10731 (e060b)
- Close the pool before the Vite servers - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10725 (96fa6)
- Remove listeners in the typecheck worker's
off- by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10741 (d758b) - Keep per-file isolation in vm pools when maxWorkers is 1 - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10743 (83ab9)
- Node.js 20 deprecation warning for
ci.yml- by @hirehamir in https://github.com/vitest-dev/vitest/issues/10759 (2127f) - Prevent node builtins double prefix - by @malobre in https://github.com/vitest-dev/vitest/issues/10630 and https://github.com/vitest-dev/vitest/issues/10767 (22d35)
- Set non-zero exit code when teardown throws during close - by @zakcutner and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10794 (22116)
- Don't race the typechecker spawn grace period on windows - by @xevrion in https://github.com/vitest-dev/vitest/issues/10814 (b19e5)
- Coalesce concurrent watch-mode restarts, deflake the pool stderr fixture - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10822 (a31f8)
- Prevent
vitest --typecheckfrom reporting a false success when thetscprocess crashes - by @hitenkalda and Hiten Kalda in https://github.com/vitest-dev/vitest/issues/10705 (a1b05) - Collect in-source tests when the module is cached - by @koutaro-masaki in https://github.com/vitest-dev/vitest/issues/10577 and https://github.com/vitest-dev/vitest/issues/10589 (a7bf2)
- Swap replace() arguments so timeout error stack shows the real message - by @lazerg in https://github.com/vitest-dev/vitest/issues/10875 (aba0f)
- Stale mock metadata breaks automocking with isolate:false - by @kade-robertson in https://github.com/vitest-dev/vitest/issues/10145 and https://github.com/vitest-dev/vitest/issues/10541 (8e210)
- Don't lose worker output on teardown, deflake timing-sensitive tests - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10842 (1216b)
- Revive global concurrency limit for test lifecycle - by @hi-ogawa, Hiroshi Ogawa, OpenCode (gpt-5.6-sol) and @sheremet-va in https://github.com/vitest-dev/vitest/issues/10928 (cf917)
- Own the post-restart rerun, keep
process.exitdisabled in workers - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10963 (5e69a) - Preserve correct root during resolve config - by @AriPerkkio and @sheremet-va in https://github.com/vitest-dev/vitest/issues/10909 (210ba)
- Combine multiple --project filters correctly - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10988 (66c1c)
- Fix
recordArtifactlocation withvi.defineHelper- by @hi-ogawa, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in https://github.com/vitest-dev/vitest/issues/11047 (c2186) - Invalidate resolved setup files - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/11073 and https://github.com/vitest-dev/vitest/issues/11081 (488c0)
- Accept awaited value in vi.when thenResolve - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/11084 (c10a1)
- Ignore computed member calls in static collection - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/11085 (130f7)
- Don't duplicte
oxc.targetif user provides a custom array - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/11095 (848d7) - Propagate --maxWorkers to projects - by @Gaurav1112 in https://github.com/vitest-dev/vitest/issues/11102 (2122f)
- Apply queued mocks from doMock() in queue order - by @juliandescottes and Claude Opus 5 (1M context) in https://github.com/vitest-dev/vitest/issues/10706 and https://github.com/vitest-dev/vitest/issues/11127 (f08ce)
- Add a warning if inline project has duplicate plugins due to unexpected
extends: true- by @sheremet-va in https://github.com/vitest-dev/vitest/issues/11120 (584cf) - Treat test.describe as a suite during static collection - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/11128 (d46a7)
- browser:
- Fix trace highlight of shadow dom on webdriverio - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10227 (b01af)
- Simplify orchestrator otel carrier - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10283 (3514f)
- 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 (41db6)
- Skip
wrapDynamicImporttransform on ssr environment - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10355 (d3c96) - Fix stale source map on watch mode - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10389 (6d772)
- Escape inline orchestrator scripts - by @hi-ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10412 (c22cf)
- Disable client
cdpAPI whenallowWrite/allowExec: false- by @hi-ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10444 (63e3b) - Wait for orchestrator readiness before resolving browser sessions - by @soconnor-seeq in https://github.com/vitest-dev/vitest/issues/10397 (fe5ed)
- Wait for iframe tester readiness before preparing - by @soconnor-seeq in https://github.com/vitest-dev/vitest/issues/10497 (f2655)
- Encode iframeId in tester iframe URL - by @Pduhard, Pduhard and Claude Opus 5 (1M context) in https://github.com/vitest-dev/vitest/issues/10520 and https://github.com/vitest-dev/vitest/issues/10521 (c8bf1)
- Always derive a positive locator action timeout - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10626 (5b864)
- Resize the browser ui only if it's not headless - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10662 (b5c61)
- Check fs access in builtin commands - by @hi-ogawa, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in https://github.com/vitest-dev/vitest/issues/10674 (33f96)
- Preserve pre-transform request defaults - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10748 (b6060)
- Fix error stacktrace location off-by-one - by @hi-ogawa, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in https://github.com/vitest-dev/vitest/issues/10724 (62b8d)
- Inlined awaited import should not trigger syntax error after transform - by @smeng9, Shaoyu Meng and Claude Opus 5 (1M context) in https://github.com/vitest-dev/vitest/issues/10784 (51acd)
- Mock window.print to avoid hanging - by @aaravjaichand in https://github.com/vitest-dev/vitest/issues/7375 and https://github.com/vitest-dev/vitest/issues/10798 (66d95)
- Ignore channel events in a tester opened as a top-level window - by @simshanith in https://github.com/vitest-dev/vitest/issues/9379 and https://github.com/vitest-dev/vitest/issues/9381 (46a3c)
- Resolve
connectTimeoutfrom the project config - by @lazerg in https://github.com/vitest-dev/vitest/issues/10879 and https://github.com/vitest-dev/vitest/issues/10880 (62c79) - Prebundle vite module runner with vitest - by @lebovvskii and @sheremet-va in https://github.com/vitest-dev/vitest/issues/10836 and https://github.com/vitest-dev/vitest/issues/10856 (37c24)
- Restore dependency reload warning - by @hi-ogawa, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in https://github.com/vitest-dev/vitest/issues/10913 (90d69)
- Configure internal optimizer dependencies - by @hi-ogawa, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in https://github.com/vitest-dev/vitest/issues/10915 (a72f4)
- Trigger playwright/chromium gc on lower disk availability - by @hi-ogawa, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in https://github.com/vitest-dev/vitest/issues/10912 (032d3)
- Disallow filter-only options in getBy* locators - by Arjun in https://github.com/vitest-dev/vitest/issues/10295 and https://github.com/vitest-dev/vitest/issues/10933 (9b4df)
- Fail instead of hanging when the browser stops responding - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10956 (c496c)
- Exit gracefully when the browser disconnects during cancellation - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10962 (67e84)
- Don't redirect vitest in client environment - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10975 (aeb67)
- Don't hang when
ui: truein projects - by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10994 (9f710) - Preserve trace popover state - by @liuluochen6-af, Hiroshi Ogawa, OpenCode (gpt-5.6-sol) and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10906 and https://github.com/vitest-dev/vitest/issues/11021 (1bbc2)
- Report the action error when a task times out - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/11101 (dc10f)
- cache:
- Improve
fsModuleCacheresiliency during external modifications - by @jszumski in https://github.com/vitest-dev/vitest/issues/10869 (5eb35)
- Improve
- cli:
- Respect
FORCE_COLORover agent detection - by @dokson in https://github.com/vitest-dev/vitest/issues/10272 (7e66b) - Exit on
CTRL+ceven whenglobalSetupruns blocked code - by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10863 (d568f)
- Respect
- coverage:
excludeto not inherit negation globs fromtest.include- by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10299 (28685)- Avoid matching sibling project roots - by @innoprej, Shin JaeHee and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10311 (e30dd)
- Non-awaited module imports cause wrong offsets - by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10643 (c4090)
- Fail fast when
coverage.reportsDirectoryconflicts between concurrent runs - by @jgamaraalv and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10466 (833f0) - V8 to ignore Vite SSR's generated import bindings - by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/11023 (c6174)
- Prevent crash on
/@fs/prepended virtual files - by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/11119 (c4473)
- deps:
- Update ivya to fix empty aria tree snapshot - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10218 (f7822)
- Update fake-timers to 15.3.2. support
toNotFake- by @BPScott, @hi-ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10043 (bbf2f) - Update all non-major dependencies - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/9958 (7faa7)
- Update all non-major dependencies - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10861 (0188c)
- Update all non-major dependencies - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10898 (61c4b)
- Update all non-major dependencies - in https://github.com/vitest-dev/vitest/issues/10966 (65263)
- Update all non-major dependencies - in https://github.com/vitest-dev/vitest/issues/11043 (732df)
- 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 (fed11)
- Handle nullish toHaveProperty values - by @liyimil in https://github.com/vitest-dev/vitest/issues/10735 and https://github.com/vitest-dev/vitest/issues/10811 (99e59)
- junit:
- Include unhandled errors in JUnit XML report - by @gbleu and Claude Opus 5 (1M context) in https://github.com/vitest-dev/vitest/issues/10244 (6f74e)
- mocker:
- Skip hoist transform without ast mock calls - by @hi-ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10410 (0468e)
- Hoist vi.mock() for vite-plus/test imports - by @Brooooooklyn and Claude Opus 5 (1M context) in https://github.com/vitest-dev/vitest/issues/10489 (88376)
- Restrict redirect mocks to the fs allowlist - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10972 (8ff9b)
- pool:
- Prevent test run hang on worker crash - by @jaxalo and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10543 (40878)
- Improve error message when worker exits unexpectedly - by @filmaj and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10587 (76139)
- Vm pools to respect cgroupsv2 memory limit - by @milas in https://github.com/vitest-dev/vitest/issues/10721 (3923c)
- Worker init to handle queued synchronous messages - by @lazerg and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10932 (76096)
- Report the worker exit instead of a pipe error that raced it - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10964 (59a03)
- reporter:
- Guard against non-finite slowTestThreshold in summary reporter - by @OfekDanny, Ofek Danny, Claude Opus 5 (1M context) and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10202 (f362f)
- Fix non-existing import subpath module blob serialization - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10318 (29cb0)
- reporters:
- Fix blob file name with label - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10346 (c5e2e)
summaryto intercept logger's streams even when they are notprocess.std*streams - by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10340 (f79e7)- Fix missing
testModulesinonTestRunEndwhen merging blobs from different root directory test runs - by @hi-ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10348 (745b3) - Print parent describe suites when the passed-test list is hidden - by @ChihebBENCHEIKH1, Chiheb Bencheikh and @sheremet-va in https://github.com/vitest-dev/vitest/issues/10606 and https://github.com/vitest-dev/vitest/issues/10768 (658af)
- Display
test.namein GitHub Actions reporter summary header - by @macarie in https://github.com/vitest-dev/vitest/issues/10887 (49e24)
- runner:
- Propagate chainable flags in describe.for - by @DoriAlagem, Dor Alagem and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10187 (db678)
- Limit concurrency per task branch in addition to per leaf callbacks - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10179 (3112a)
- Remove AbortSignal listener leak in withCancel - by @tomohiro86 and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10265 (ab098)
- Don't fail collection when accessing
error.stackthrows - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10839 (202e2)
- snapshot:
- Fail test when snapshot assertion is used with
test.fails- by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10090 (e1aa7) - Treat empty string as valid snapshot - by @mayrang and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10188 (e145d)
- Support no-unsafe-eval CSP by evaluating snapshot files on server - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10665 (667c1)
- Reject when
toMatchFileSnapshotuses same snapshot file astoMatchSnapshot- by @hi-ogawa, Hiroshi Ogawa, OpenCode (gpt-5.6-sol) and @sheremet-va in https://github.com/vitest-dev/vitest/issues/10978 (17646)
- Fail test when snapshot assertion is used with
- 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 (628ab)
- Point ESM namespace spy error to module mocking docs - by @ryandiginomad and Ryan Tang in https://github.com/vitest-dev/vitest/issues/10707 (d6cec)
- typecheck:
- Report a checker crash on Windows instead of a spawn failure - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10907 (77aac)
- types:
- Allow
changedin configuration options - by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10651 (0da12)
- Allow
- ui:
- Fix duplicate colored error message - by @hi-ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10258 (035e3)
- Fix missing source code in html reporter metadata when merging blobs with different root directory test runs - by @hi-ogawa and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/10338 (4f7c2)
- Fix module graph in browser mode with --ui - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10386 (3003c)
- Render ANSI color codes in editor panel inline error widget - by @Copilot, Hiroshi Ogawa and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10418 (766b8)
- Fix code editor error and annotations gadgets layout shifts - by @hi-ogawa, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in https://github.com/vitest-dev/vitest/issues/10969 (438ed)
- Synchronize watch-run UI state on file removal - by @hi-ogawa, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in https://github.com/vitest-dev/vitest/issues/10941 (30c21)
- Require auth for coverage report and all UI subtree requests - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10971 (5622f)
- Improve suite interaction and layout in explorer tree - by @hi-ogawa, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in https://github.com/vitest-dev/vitest/issues/10970 (91231)
- Reveal explorer virtual scroller on resize - by @hi-ogawa, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in https://github.com/vitest-dev/vitest/issues/10998 (1f4fc)
- Persist trace step-iframe split pane sizes - by @hi-ogawa, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in https://github.com/vitest-dev/vitest/issues/11027 (3cd01)
- Add suite level report view - by @dvmhmdsd, Hiroshi Ogawa, OpenCode (gpt-5.6-sol) and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/11038 (602d2)
- Hide running count in static reports - by @hi-ogawa, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in https://github.com/vitest-dev/vitest/issues/11123 (73d72)
- utils:
- Don't crash on a malformed inline source map - by @lazerg, Hiroshi Ogawa, OpenCode (gpt-5.6-sol) and @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10892 and https://github.com/vitest-dev/vitest/issues/10893 (fe790)
- vitest:
- Strip non-serializable functions from inline diff config - by @DucMinhNe in https://github.com/vitest-dev/vitest/issues/10573 (5b81a)
- Remove broken "./src/*" export from package.json - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10918 (2e5df)
- Render non-Error causes from env setup so the actual diagnostic is not dropped - by @spokodev in https://github.com/vitest-dev/vitest/issues/10567 (b298d)
- vm:
- Fix external module resolve error with deps optimizer query for encoded URI - by @SveLil in https://github.com/vitest-dev/vitest/issues/10658 (90c4e)
- Stop retaining every finished test file in vm pool workers - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10854 (38503)
- Fall back to compiling from source when a module's code cache is rejected - by @MarshallOfSound in https://github.com/vitest-dev/vitest/issues/11031 (c3ba1)
- Link module graphs one at a time - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/11096 (3f2dd)
- webdriverio:
- Allow gpu in headless chrome - by @rotempasharel1 in https://github.com/vitest-dev/vitest/issues/10376 (f310a)
- worker:
- Bind stdio's early in case overriden - by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/11020 (67ef7)
🏎 Performance
- Stringify diff objects only once - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10276 (d006a)
- Improve performance in hot paths - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10446 (03faf)
- Serve warm modules to workers in one round-trip, enable the node compile cache - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10708 (b144a)
- Make the Node compile cache opt-in, persist worker caches on teardown - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10742 (941bc)
- Reuse compiled code across vm pool contexts and prewarm the module graph - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10744 (d8b04)
- Bundle vitest's own dependencies - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10685 (c0508)
- Lowers peak memory usage when using
--changedon a large graph - by @jszumski in https://github.com/vitest-dev/vitest/issues/10866 (9f23f) - Initialize trace view in the orchestrator once per worker - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10984 (fad26)
- browser:
- Reduce matching screenshot overhead - by @kasperpeulen in https://github.com/vitest-dev/vitest/issues/10278 (511c0)
- Open browser sessions adaptively instead of maxWorkers upfront - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10726 (6db8d)
- Cut per-file round trips - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10730 (3feef)
- Stop serving framework sourcemaps in headless runs - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10728 (6aefb)
- Prewarm the browser while the Vite server starts - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10727 (c1767)
- Pre-bundle the vitest runtime in optimizeDeps - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10713 (de631)
- Serve framework assets as immutable - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10729 (7af87)
- cache:
- Hash the environment-invariant part of the fs module cache key once - by @MarshallOfSound in https://github.com/vitest-dev/vitest/issues/11029 (1d365)
- coverage:
- Speed up v8 report generation (bounded-memory merge + precompiled globs) - by @toxik, Claude Opus 5 (1M context) and @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10506 (b05e5)
- Reduce RPC data and unnecessary serializations - by @AriPerkkio in https://github.com/vitest-dev/vitest/issues/10781 (7e7e3)
- expect:
- Avoid redefining matcher state - by @scttcper and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/11048 (58e71)
- Lazily format spy matcher failures - by @scttcper and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/11090 (e08c4)
- spy:
- Avoid scanning cleared mocks - by @scttcper and OpenAI Codex in https://github.com/vitest-dev/vitest/issues/11092 (2451e)
- vm:
- Don't prewarm modules the worker never requests - by @MarshallOfSound and @sheremet-va in https://github.com/vitest-dev/vitest/issues/11033 (1e9f8)
- Let environments opt out of the module graph prewarm - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/11078 (a6d5e)