v30.2.0

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Chore & Maintenance

• [*] Update example repo for testing React Native projects (#​15832)
• [*] Updatejest-watch-typeahead to v3 (#​15830)

v30.1.2

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Fixes

• [jest-snapshot-utils] Correct snapshot header regexp to work with newline across OSes (#​15803)

v30.1.1

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Fixes

• [jest-snapshot-utils] Fix deprecated goo.gl snapshot warning not handling Windows end-of-line sequences (#​15800)
• [jest-snapshot-utils] Improve messaging about goo.gl snapshot link change (#​15821)

v30.1.0

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v30.0.5

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Features

• [jest-config] AllowtestMatch to take a string value
• [jest-worker] LetworkerIdleMemoryLimit accept 0 to always restart worker child processes

Fixes

• [expect] Fixbigint error (#​15702)

v30.0.4

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Features

• [expect] TheInverse type is now exported (#​15714)
• [expect] feat: supportasync functions intoBe (#​15704)

Fixes

• [jest] jest --onlyFailures --listTests now correctly lists only failed tests (#​15700)
• [jest-snapshot] Handle line endings in snapshots (#​15708)

v30.0.2

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Fixes

• [jest-matcher-utils] Make 'deepCyclicCopyObject' safer by setting descriptors to a null-prototype object (#​15689)
• [jest-util] Make garbage collection protection property writable (#​15689)

v30.0.1

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Features

• [jest-resolver] Implement thedefaultAsyncResolver (#​15679)

Fixes

• [jest-resolver] Resolve builtin modules correctly (#​15683)
• [jest-environment-node, jest-util] Avoid setting globals cleanup protection symbol when feature is off (#​15684)

Chore & Maintenance

• [*] Remove and deprecatejest-repl package (#​15673)
• [jest-resolver] Replace customisBuiltinModule with node'sisBuiltin (#​15685)

v30.0.0

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Features

• [*] RenamedglobalsCleanupMode toglobalsCleanup and--waitNextEventLoopTurnForUnhandledRejectionEvents to--waitForUnhandledRejections
• [expect] AddArrayOf asymmetric matcher for validating array elements. (#​15567)
• [babel-jest] Add optionexcludeJestPreset to allow opting out ofbabel-preset-jest (#​15164)
• [expect] Revert#​15038 to fixexpect(fn).toHaveBeenCalledWith(expect.objectContaining(...)) when there are multiple calls (#​15508)
• [jest-circus, jest-cli, jest-config] AddwaitNextEventLoopTurnForUnhandledRejectionEvents flag to minimise performance impact of correct detection of unhandled promise rejections introduced in#​14315 (#​14681)
• [jest-circus] Add awaitBeforeRetry option tojest.retryTimes (#​14738)
• [jest-circus] Add aretryImmediately option tojest.retryTimes (#​14696)
• [jest-circus, jest-jasmine2] AllowsetupFilesAfterEnv to export an async function (#​10962)
• [jest-circus, jest-test-result] AddstartedAt timestamp inTestCaseResultObject withinonTestCaseResult (#​15145)
• [jest-cli] ExportbuildArgv (#​15310)
• [jest-config] [BREAKING] Addmts andcts to defaultmoduleFileExtensions config (#​14369)
• [jest-config] [BREAKING] UpdatetestMatch andtestRegex default option for supportingmjs,cjs,mts, andcts (#​14584)
• [jest-config] Loads config file from provided path inpackage.json (#​14044)
• [jest-config] Allow loadingjest.config.cts files (#​14070)
• [jest-config] ShowrootDir in error message when apreset fails to load (#​15194)
• [jest-config] Support loading TS config files usingesbuild-register via docblock loader (#​15190)
• [jest-config] Allow passing TS config loader options via docblock comment (#​15234)
• [jest-config] If Node is running with type stripping enabled, do not require a TS loader (#​15480)
• [@jest/core] Group together open handles with the same stack trace (#​13417, &#​14789)
• [@jest/core] AddperfStats to surface test setup overhead (#​14622)
• [@jest/core] [BREAKING] Changed--filter to accept an object with shape{ filtered: Array<string> } to matchdocumentation (#​13319)
• [@jest/core] Support--outputFile option for--listTests (#​14980)
• [@jest/core] Stringify Errors properly with--json flag (#​15329)
• [@jest/core, @​jest/test-sequencer] [BREAKING] ExposesglobalConfig &contexts toTestSequencer (#​14535, &#​14543)
• [jest-each] Introduce%$ option to add number of the test to its title (#​14710)
• [@jest/environment] [BREAKING] Remove deprecatedjest.genMockFromModule() (#​15042)
• [@jest/environment] [BREAKING] Remove unnecessary defensive code (#​15045)
• [jest-environment-jsdom] [BREAKING] Upgrade JSDOM to v22 (#​13825)
• [@jest/environment-jsdom-abstract] Introduce new package which abstracts over thejsdom environment, allowing usage of custom versions of JSDOM (#​14717)
• [jest-environment-node] Update jest environment with dispose symbolsSymbol (#​14888 &#​14909)
• [expect, @​jest/expect] [BREAKING] Add type inference for function parameters inCalledWith assertions (#​15129)
• [@jest/expect-utils] Properly compare all types ofTypedArrays (#​15178)
• [@jest/fake-timers] [BREAKING] Upgrade@sinonjs/fake-timers to v13 (#​14544 &#​15470)
• [@jest/fake-timers] Exposing new modern timers functionadvanceTimersToFrame() which advances all timers by the needed milliseconds to execute callbacks currently scheduled withrequestAnimationFrame (#​14598)
• [jest-matcher-utils] AddSERIALIZABLE_PROPERTIES to allow custom serialization of objects (#​14893)
• [jest-mock] Add support for the Explicit Resource Management proposal to use theusing keyword withjest.spyOn(object, methodName) (#​14895)
• [jest-reporters] Add support forDEC mode 2026 (#​15008)
• [jest-resolver] Supportfile:// URLs as paths (#​15154)
• [jest-resolve,jest-runtime,jest-resolve-dependencies] Pass the conditions when resolving stub modules (#​15489)
• [jest-runtime] Exposing new modern timers functionjest.advanceTimersToFrame() from@jest/fake-timers (#​14598)
• [jest-runtime] Supportimport.meta.filename andimport.meta.dirname (available fromNode 20.11) (#​14854)
• [jest-runtime] Supportimport.meta.resolve (#​14930)
• [jest-runtime] [BREAKING] Make it mandatory to passglobalConfig to theRuntime constructor (#​15044)
• [jest-runtime] Addunstable_unmockModule (#​15080)
• [jest-runtime] AddonGenerateMock transformer callback for auto generated callbacks (#​15433 &#​15482)
• [jest-runtime] [BREAKING] Usevm.compileFunction overvm.Script (#​15461)
• [@jest/schemas] Upgrade@sinclair/typebox to v0.34 (#​15450)
• [@jest/types]test.each(): Accept a readonly (as const) table properly (#​14565)
• [@jest/types] Improve argument type inference passed totest anddescribe callback functions fromeach tables (#​14920)
• [jest-snapshot] [BREAKING] Add support forError causes in snapshots (#​13965)
• [jest-snapshot] Support Prettier 3 (#​14566)
• [@jest/util-snapshot] Extract utils used by tooling fromjest-snapshot into its own package (#​15095)
• [pretty-format] [BREAKING] Do not render empty string children ('') in React plugin (#​14470)

Fixes

• [expect] ShowAggregateError to display (#​15346)
• [*] Replaceexit withexit-x (#​15399)
• [babel-plugin-jest-hoist] Usedenylist instead of the deprecatedblacklist for Babel 8 support (#​14109)
• [babel-plugin-jest-hoist] Do not rely on buggy Babel behaviour (#​15415)
• [expect] Check error instance type fortoThrow/toThrowError (#​14576)
• [expect] Improve diff for failingexpect.objectContaining (#​15038)
• [expect] UseArray.isArray to check if an array is anArray (#​15101)
• [expect] Fix Errorcause assertion errors (#​15339)
• [jest-changed-files] Print underlying errors when VCS commands fail (#​15052)
• [jest-changed-files] Abortsl root call if output resembles a steam locomotive (#​15053)
• [jest-circus] [BREAKING] Prevent false test failures caused by promise rejections handled asynchronously (#​14315)
• [jest-circus] Replace recursivemakeTestResults implementation with iterative one (#​14760)
• [jest-circus] Omitexpect.hasAssertions() errors if a test already has errors (#​14866)
• [jest-circus, jest-expect, jest-snapshot] Passtest.failing tests when containing failing snapshot matchers (#​14313)
• [jest-circus] Concurrent tests now emit jest circus events at the correct point and in the expected order. (#​15381)
• [jest-cli] [BREAKING] Validate CLI flags that require arguments receives them (#​14783)
• [jest-config] Make sure to respectrunInBand option (#​14578)
• [jest-config] SupporttestTimeout in project config (#​14697)
• [jest-config] SupportcoverageReporters in project config (#​14697)
• [jest-config] Allowreporters in project config (#​14768)
• [jest-config] Allow Node16/NodeNext/BundlermoduleResolution in project's tsconfig (#​14739)
• [@jest/create-cache-key-function] Correct the return type ofcreateCacheKey (#​15159)
• [jest-each] Allow$keypath templates withnull orundefined values (#​14831)
• [@jest/expect-utils] Fix comparison ofDataView (#​14408)
• [@jest/expect-utils] [BREAKING] exclude non-enumerable in object matching (#​14670)
• [@jest/expect-utils] Fix comparison ofURL (#​14672)
• [@jest/expect-utils] CheckSymbol properties in equality (#​14688)
• [@jest/expect-utils] Catch circular references within arrays when matching objects (#​14894)
• [@jest/expect-utils] Fix not addressing to Sets and Maps as objects without keys (#​14873)
• [jest-haste-map] Fix errors or clobbering with multiplehasteImplModulePaths (#​15522)
• [jest-leak-detector] Make leak-detector more aggressive when running GC (#​14526)
• [jest-runtime] Properly handle re-exported native modules in ESM via CJS (#​14589)
• [jest-runtime] Refactor_importCoreModel so required core module is consistent if modified while loading (#​15077)
• [jest-schemas, jest-types] [BREAKING] Fix type oftestFailureExitCode config option(#​15232)
• [jest-util] Make sureisInteractive works in a browser (#​14552)
• [pretty-format] [BREAKING] PrintArrayBuffer andDataView correctly (#​14290)
• [pretty-format] Fixed a bug where "anonymous custom elements" were not being printed as expected. (#​15138)
• [jest-cli] When specifying paths on the command line, only match against the relative paths of the test files (#​12519)
  • [BREAKING] ChangestestPathPattern configuration option totestPathPatterns, which now takes a list of patterns instead of the regex.
  • [BREAKING]--testPathPattern is now--testPathPatterns
  • [BREAKING] SpecifyingtestPathPatterns when programmatically callingwatch must be specified asnew TestPathPatterns(patterns), whereTestPathPatterns can be imported from@jest/pattern
• [jest-reporters, jest-runner] Unhandled errors without stack get correctly logged to console (#​14619)
• [jest-util] Always loadmjs files withimport (#​15447)
• [jest-worker] Properly handle a circular reference error when worker tries to send an assertion fails where either the expected or actual value is circular (#​15191)
• [jest-worker] Properly handle a BigInt when worker tries to send an assertion fails where either the expected or actual value is BigInt (#​15191)
• [expect] Resolve issue whereObjectContaining matched non-object values.#​15463.
  • Adds aconditional/check to ensure the argument passed toexpect is an object.
  • Add unit tests for newObjectContaining behavior.
  • Removeinvalid/wrong test case assertions forObjectContaining.
• [jest-worker] Addresses incorrect state on exit (#​15610)

Performance

• [*] [BREAKING] Bundle all of Jest's modules intoindex.js (#​12348,#​14550 &#​14661)
• [jest-haste-map] Only spawn one process to check forwatchman installation (#​14826)
• [jest-runner] Better cleanupsource-map-support after test to resolve (minor) memory leak (#​15233)
• [jest-resolver] Migrateresolve andresolve.exports tounrs-resolver (#​15619)
• [jest-circus, jest-environment-node, jest-repl, jest-runner, jest-util] Cleanup global variables on environment teardown to reduce memory leaks (#​15215 &#​15636 &#​15643)

Chore & Maintenance

• [jest-environment-jsdom, jest-environment-jsdom-abstract] Increased version of jsdom to^26.0.0 (#​15325CVE-2024-37890)
• [*] Increase version ofmicromatch to^4.0.7 (#​15082)
• [*] [BREAKING] Drop support for Node.js versions 14, 16, 19, 21 and 23 (#​14460,#​15118,#​15623,#​15640)
• [*] [BREAKING] Drop support fortypescript@4.3, minimum version is now5.4 (#​14542,#​15621)
• [*] Depend on exact versions of monorepo dependencies instead of^ range (#​14553)
• [*] [BREAKING] Add ESM wrapper for all of Jest's modules (#​14661)
• [*] [BREAKING] Upgrade toglob@10 (#​14509)
• [*] UseTypeError overError where appropriate (#​14799)
• [docs] Fix typos inCHANGELOG.md andpackages/jest-validate/README.md (#​14640)
• [docs] Don't use alias matchers in docs (#​14631)
• [babel-jest, babel-preset-jest] [BREAKING] Increase peer dependency of@babel/core to^7.11 (#​14109)
• [babel-jest, @​jest/transform] Updatebabel-plugin-istanbul to v6 (#​15156)
• [babel-plugin-jest-hoist] Move unnecessarydependencies todevDependencies (#​15010)
• [expect] [BREAKING] Remove.toBeCalled(),.toBeCalledTimes(),.toBeCalledWith(),.lastCalledWith(),.nthCalledWith(),.toReturn(),.toReturnTimes(),.toReturnWith(),.lastReturnedWith(),.nthReturnedWith() and.toThrowError() matcher aliases (#​14632)
• [jest-cli, jest-config, @​jest/types] [BREAKING] Remove deprecated--init argument (#​14490)
• [jest-config, @​jest/core, jest-util] Upgradeci-info (#​14655)
• [jest-mock] [BREAKING] RemoveMockFunctionMetadataType,MockFunctionMetadata andSpyInstance types (#​14621)
• [@jest/reporters] Upgradeistanbul-lib-source-maps (#​14924)
• [jest-schemas] Upgrade@sinclair/typebox (#​14775)
• [jest-transform] Upgradewrite-file-atomic (#​14274)
• [jest-util] Upgradepicomatch to v4 (#​14653 &#​14885)
• [docs] Append to NODE_OPTIONS, not overwrite ([#​14730](https://redirect.github.com/jestjs/jest/pull/14730))
• [docs] Updated.toHaveBeenCalled() documentation to correctly reflect its functionality (#​14842)
• [docs] Link NestJS documentation on testing with Jest (#​14940)
• [docs]Revised documentation for .toHaveBeenCalled() to accurately depict its functionality. (#​14853)
• [docs] Removed ExpressJS reference link from documentation due to dead link (#​15270)
• [docs] Correct broken links in docs (#​15359)

v29.7.0

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Features

• [create-jest] Addnpm init /yarn create initialiser for Jest projects (#​14465)
• [jest-validate] Allow deprecation warnings for unknown options (#​14499)

Fixes

• [jest-resolver] Replace unmatched capture groups inmoduleNameMapper with empty string instead ofundefined (#​14507)
• [jest-snapshot] Allow for strings as well as template literals in inline snapshots (#​14465)
• [@jest/test-sequencer] Calculate test runtime ifperStats.duration is missing (#​14473)

Performance

• [@jest/create-cache-key-function] Cache access ofNODE_ENV andBABEL_ENV (#​14455)

Chore & Maintenance

• [jest-cli] Move internal config initialisation logic to thecreate-jest package (#​14465)

New Contributors

• @​bawjensen made their first contribution in#​14465
• @​malaviya-parth made their first contribution in#​14467
• @​niklasholm made their first contribution in#​14507

Full Changelog:jestjs/jest@v29.6.4...v29.7.0

v29.6.4

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Fixes

• [jest-core] Fix typo inscheduleAndRun performance marker (#​14434)
• [jest-environment-node] Make sureatob andbtoa are writeable in Node 20 (#​14446)
• [jest-worker] Additional error wrapper forparentPort.postMessage to fix unhandledDataCloneError. (#​14437)

New Contributors

• @​stanleyume made their first contribution in#​14424
• @​dj-stormtrooper made their first contribution in#​14437
• @​thw0rted made their first contribution in#​14444

Full Changelog:jestjs/jest@v29.6.3...v29.6.4

v29.6.3

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Fixes

• [expect, @​jest/expect-utils]ObjectContaining supportsymbol as key (#​14414)
• [expect] Remove@types/node from dependencies (#​14385)
• [jest-core] Use workers in watch mode by default to avoid crashes (#​14059 &#​14085).
• [jest-reporters] Updateistanbul-lib-instrument dependency to v6. (#​14401)
• [jest-mock] Revert#​13692 as it was a breaking change (#​14429)
• [jest-mock] Revert#​13866 as it was a breaking change (#​14429)
• [jest-mock] Revert#​13867 as it was a breaking change (#​14429)
• [@jest/reporters] Marks Reporter's hooks as optional (#​14433)
• [jest-runtime] Fix dynamic ESM import module bug when loaded module throughjest.isolateModulesAsync (#​14397)

Chore & Maintenance

• [jest-changed-files, jest-circus, jest-console, @​jest/core, @​jest/runtime, @​jest/transform] Useinvariant andnotEmpty fromjest-util rather than own internal (#​14366)

New Contributors

• @​karlnorling made their first contribution in#​14401
• @​vinicinbgs made their first contribution in#​14388
• @​panteleevnikita made their first contribution in#​14433

Full Changelog:jestjs/jest@v29.6.2...v29.6.3

v29.6.2

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Fixes

• [jest-circus] Fix snapshot matchers in concurrent tests when nr of tests exceedsmaxConcurrency (#​14335)
• [@jest/core] When running global setup and teardown, do not try to change themessage property of the thrown error object when themessage property is unwritable (#​14113)
• [jest-snapshot] Move@types/prettier fromdependencies todevDependencies (#​14328)
• [jest-snapshot] Throw an explicit error if Prettier v3 is used (#​14367)
• [jest-reporters] Add "skipped" and "todo" symbols to Github Actions Reporter (#​14309)

Chore & Maintenance

• [@jest/core] Usepluralize fromjest-util rather than own internal (#​14322)

New Contributors

• @​Kloen made their first contribution in#​14328
• @​eryue0220 made their first contribution in#​14322
• @​david-szabo97 made their first contribution in#​14113

Full Changelog:jestjs/jest@v29.6.1...v29.6.2

v29.6.1

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Fixes

• [jest-circus] Revert#​14110 as it was a breaking change (#​14304)

Full Changelog:jestjs/jest@v29.6.0...v29.6.1

v29.6.0

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Features

• [jest-circus, jest-snapshot] Add support for snapshot matchers in concurrent tests (#​14139)
• [jest-cli] Include type definitions to generated config files (#​14078)
• [jest-snapshot] Support arrays as property matchers (#​14025)
• [jest-core, jest-circus, jest-reporter, jest-runner] Added support for reporting about start individual test cases using jest-circus (#​14174)

Fixes

• [jest-circus] Prevent false test failures caused by promise rejections handled asynchronously (#​14110)
• [jest-config] Handle frozen config object (#​14054)
• [jest-config] AllowcoverageDirectory andcollectCoverageFrom in project config (#​14180)
• [jest-core] Always use workers in watch mode to avoid crashes (#​14059).
• [jest-environment-jsdom, jest-environment-node] Fix assignment ofcustomExportConditions viatestEnvironmentOptions when custom env subclass defines a default value (#​13989)
• [jest-matcher-utils] Fix copying value of inherited getters (#​14007)
• [jest-mock] Tweak typings to allowjest.replaceProperty() replace methods (#​14008)
• [jest-mock] Improve user input validation and error messages ofspyOn andreplaceProperty methods (#​14087)
• [jest-runtime] Bindjest.isolateModulesAsync tothis (#​14083)
• [jest-runtime] ForwardwrapperLength to theScript constructor ascolumnOffset for accurate debugging (#​14148)
• [jest-runtime] Guard_isMockFunction access within (#​14188)
• [jest-snapshot] Fix a potential bug when not using prettier and improve performance (#​14036)
• [@jest/transform] Do not instrument.json modules (#​14048)
• [jest-worker] Restart a shut down worker before sending it a task (#​14015)

Chore & Maintenance

• [*] Updatesemver dependency to get vulnerability fix (#​14262)
• [docs] Updated documentation for the--runTestsByPath CLI command (#​14004)
• [docs] Updated documentation regarding the synchronous fallback when asynchronous code transforms are unavailable (#​14056)
• [docs] Update jest statistics of use and downloads in website Index.

New Contributors

• @​huntie made their first contribution in#​13989
• @​liammulh made their first contribution in#​14001
• @​BenceSzalai made their first contribution in#​14007
• @​Mike-Dax made their first contribution in#​14056
• @​bakasmarius made their first contribution in#​14025
• @​PeteTheHeat made their first contribution in#​14015
• @​tjenkinson made their first contribution in#​14083
• @​soyjuanmacias made their first contribution in#​14101
• @​bharathkalyans made their first contribution in#​14154
• @​itzjacki made their first contribution in#​14165
• @​DmitryMakhnev made their first contribution in#​14174
• @​BobdenOs made their first contribution in#​14148
• @​william-lai-927 made their first contribution in#​14179
• @​bakamitai456 made their first contribution in#​14045
• @​rbuckton made their first contribution in#​14188
• @​barbados-clemens made their first contribution in#​14180
• @​rburdet made their first contribution in#​14197
• @​cw1997 made their first contribution in#​14184
• @​renovate made their first contribution in#​14209
• @​stekycz made their first contribution in#​14110
• @​ziyad-elabid-nw made their first contribution in#​14262

Full Changelog:jestjs/jest@v29.5.0...v29.6.0

v29.5.0

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Features

• [jest-changed-files] Support Sapling (#​13941)
• [jest-circus, @​jest/cli, jest-config] Add feature to randomize order of tests via CLI flag or through the config file(#​12922)
• [jest-cli, jest-config, @​jest/core, jest-haste-map, @​jest/reporters, jest-runner, jest-runtime, @​jest/types] AddworkerThreads configuration option to allow usingworker threads for parallelization (#​13939)
• [jest-cli] ExportyargsOptions (#​13970)
• [jest-config] AddopenHandlesTimeout option to configure possible open handles warning. (#​13875)
• [@jest/create-cache-key-function] Allow passinglength argument tocreateCacheKey() function and set its default value to16 on Windows (#​13827)
• [jest-message-util] Add support forAggregateError (#​13946 &#​13947)
• [jest-message-util] Add support forError causes intest andit (#​13935 &#​13966)
• [jest-reporters] AddsummaryThreshold option to summary reporter to allow overriding the internal threshold that is used to print the summary of all failed tests when the number of test suites surpasses it (#​13895)
• [jest-runtime] Expose@sinonjs/fake-timers async APIs functionsadvanceTimersByTimeAsync(msToRun) (tickAsync(msToRun)),advanceTimersToNextTimerAsync(steps) (nextAsync),runAllTimersAsync (runAllAsync), andrunOnlyPendingTimersAsync (runToLastAsync) (#​13981)
• [jest-runtime, @​jest/transform] Allow V8 coverage provider to collect coverage from files which were not loaded explicitly (#​13974)
• [jest-snapshot] Add support tocts andmts TypeScript files to inline snapshots (#​13975)
• [jest-worker] Addstart method to worker farms (#​13937)
• [jest-worker] Support passing a URL as path to worker (#​13982)

Fixes

• [babel-plugin-jest-hoist] Fix unwanted hoisting of nestedjest usages (#​13952)
• [jest-circus] Send test case results fortodo tests (#​13915)
• [jest-circus] Update message printed on test timeout (#​13830)
• [jest-circus] Avoid creating the word "testfalse" whentakesDoneCallback isfalse in the message printed on test timeout AND updated timeouts test (#​13954)
• [jest-environment-jsdom] Stop settingdocument tonull on teardown (#​13972)
• [@jest/expect-utils] UpdatetoStrictEqual() to be able to checkjest.fn().mock.calls (#​13960)
• [@jest/test-result] AllowTestResultsProcessor type to return a Promise (#​13950)

Chore & Maintenance

• [jest-snapshot] Remove dependency onjest-haste-map (#​13977)

New Contributors

• @​frosas made their first contribution infacebook#13932
• @​akshitsinha made their first contribution infacebook#13915
• @​trajano made their first contribution infacebook#13827
• @​DercilioFontes made their first contribution infacebook#13954
• @​jsnajdr made their first contribution infacebook#13952
• @​SteveFlames made their first contribution infacebook#13895
• @​willc001 made their first contribution infacebook#13970
• @​benjaminhobbs made their first contribution infacebook#13901

Full Changelog:jestjs/jest@v29.4.3...v29.5.0

v29.4.3

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Features

• [expect] UpdatetoThrow() to be able to use errorcauses (#​13606)
• [jest-core] allow to useworkerIdleMemoryLimit with only 1 worker orrunInBand option (#​13846)
• [jest-message-util] Add support forerrorcauses (#​13868 &#​13912)
• [jest-runtime] Revertimport assertions for JSON modules as it's been relegated to Stage 2 (#​13911)

Fixes

• [@jest/expect-utils]subsetEquality should consider also an object's inherited string keys (#​13824)
• [jest-mock] Clear mock state whenjest.restoreAllMocks() is called (#​13867)
• [jest-mock] PreventmockImplementationOnce andmockReturnValueOnce bleeding intowithImplementation (#​13888)
• [jest-mock] Do not restore mocks whenjest.resetAllMocks() is called (#​13866)

New Contributors

• @​brodo made their first contribution infacebook#13868
• @​DannyNemer made their first contribution infacebook#13878
• @​ghusse made their first contribution infacebook#13846
• @​broofa made their first contribution infacebook#13911

Full Changelog:jestjs/jest@v29.4.2...v29.4.3

v29.4.2

Compare Source

Features

• [@jest/core] Instrument significant lifecycle events withperformance.mark() (#​13859)

Fixes

• [expect, @​jest/expect] Provide type ofactual as a generic argument toMatchers to allow better-typed extensions (#​13848)
• [jest-circus] Added explicit mention of test failing becausedone() is not being called in error message (#​13847)
• [jest-runtime] Handle CJS re-exports of node core modules from ESM (#​13856)
• [jest-transform] Downgradewrite-file-atomic to v4 (#​13853)
• [jest-worker] Ignore IPC messages not intended for Jest (#​13543)

Chore & Maintenance

• [*] make sure to exclude.eslintcache from published module (#​13832)
• [docs] Cleanup incorrect links in CHANGELOG.md (#​13857)

New Contributors

• @​benjaminjkraft made their first contribution infacebook#13848
• @​LinusU made their first contribution infacebook#13543
• @​SuperSodaSea made their first contribution infacebook#13857
• @​kowalski made their first contribution infacebook#13856

Full Changelog:jestjs/jest@v29.4.1...v29.4.2

v29.4.1

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Features

• [expect, jest-circus, @​jest/types] ImplementnumPassingAsserts of testResults to track the number of passing asserts in a test (#​13795)
• [jest-core] Add newlines to JSON output (#​13817)
• [@jest/reporters] Automatic log folding in GitHub Actions Reporter (#​13626)

Fixes

• [@jest/expect-utils]toMatchObject diffs should includeSymbol properties (#​13810)
• [jest-runtime] Handle missingreplaceProperty (#​13823)
• [@jest/types] Add partial support fordone callbacks in typings ofeach (#​13756)

New Contributors

• @​jessevanassen made their first contribution infacebook#13817
• @​ymqy made their first contribution infacebook#13795
• @​MatteoH2O1999 made their first contribution infacebook#13626

Full Changelog:jestjs/jest@v29.4.0...v29.4.1

v29.4.0

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Features

• [expect, @​jest/expect-utils] Support custom equality testers (#​13654)
• [jest-config, jest-worker] Useos.availableParallelism if available to calculate number of workers to spawn (#​13738)
• [@jest/globals, jest-mock] Addjest.replaceProperty() that replaces property value (#​13496)
• [jest-haste-map] ignore Sapling vcs directories (.sl/) (#​13674)
• [jest-resolve] Support subpath imports (#​13705,#​13723,#​13777)
• [jest-runtime] Addjest.isolateModulesAsync for scoped module initialization of asynchronous functions (#​13680)
• [jest-runtime] Addjest.isEnvironmentTornDown function (#​13741)
• [jest-test-result] Addedskipped andfocused status toFormattedTestResult (#​13700)
• [jest-transform] Support for asynchronouscreateTransformer (#​13762)

Fixes

• `[jest-environ