v30.2.0

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Chore & Maintenance

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

v30.1.3

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Fixes

• Fixunstable_mockModule withnode: prefixed core modules.

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)

v30.0.3

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Fixes

• [jest-config] Fix ESM TS config loading in a CJS project (#​15694)
• [jest-core] jest --onlyFailures --listTests now correctly lists only failed tests(#​15700)

Features

• [jest-diff] Show non-printable control characters to diffs (#​15696)

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)