22.0.0

Fixes

• [jest-resolve] Use module.builtinModules as BUILTIN_MODULES when it exists
• [jest-worker] Remove debug and inspect flags from the arguments sent to the child (#5068)
• [jest-config] Use all --testPathPattern and <regexForTestFiles> args in testPathPattern (#5066)
• [jest-cli] Do not support --watch inside non-version-controlled environments (#5060)
• [jest-config] Escape Windows path separator in testPathPattern CLI arguments (#5054)
• [jest-jasmine] Register sourcemaps as node environment to improve performance with jsdom (#5045)
• [pretty-format] Do not call toJSON recursively (#5044)
• [pretty-format] Fix errors when identity-obj-proxy mocks CSS Modules (#4935)
• [babel-jest] Fix support for namespaced babel version 7 (#4918)
• [expect] fix .toThrow for promises (#4884)
• [jest-docblock] pragmas should preserve urls (#4837)
• [jest-cli] Check if npm_lifecycle_script calls Jest directly (#4629)
• [jest-cli] Fix --showConfig to show all configs (#4494)
• [jest-cli] Throw if maxWorkers doesn't have a value (#4591)
• [jest-cli] Use fs.realpathSync.native if available (#5031)
• [jest-config] Fix --passWithNoTests (#4639)
• [jest-config] Support rootDir tag in testEnvironment (#4579)
• [jest-editor-support] Fix --showConfig to support jest 20 and jest 21 (#4575)
• [jest-editor-support] Fix editor support test for node 4 (#4640)
• [jest-mock] Support mocking constructor in mockImplementationOnce (#4599)
• [jest-runtime] Fix manual user mocks not working with custom resolver (#4489)
• [jest-util] Fix runOnlyPendingTimers for setTimeout inside setImmediate (#4608)
• [jest-message-util] Always remove node internals from stacktraces (#4695)
• [jest-resolve] changes method of determining builtin modules to include missing builtins (#4740)
• [pretty-format] Prevent error in pretty-format for window in jsdom test env (#4750)
• [jest-resolve] Preserve module identity for symlinks (#4761)
• [jest-config] Include error message for preset json (#4766)
• [pretty-format] Throw PrettyFormatPluginError if a plugin halts with an exception (#4787)
• [expect] Keep the stack trace unchanged when PrettyFormatPluginError is thrown by pretty-format (#4787)
• [jest-environment-jsdom] Fix asynchronous test will fail due to timeout issue. (#4669)
• [jest-cli] Fix --onlyChanged path case sensitivity on Windows platform (#4730)
• [jest-runtime] Use realpath to match transformers (#5000)
• [expect] [BREAKING] Replace identity equality with Object.is in toBe matcher (#4917)

Features

• [jest-message-util] Add codeframe to test assertion failures (#5087)
• [jest-config] Add Global Setup/Teardown options (#4716)
• [jest-config] Add testEnvironmentOptions to apply to jsdom options or node context. (#5003)
• [jest-jasmine2] Update Timeout error message to jest.timeout and display current timeout value (#4990)
• [jest-runner] Enable experimental detection of leaked contexts (#4895)
• [jest-cli] Add combined coverage threshold for directories. (#4885)
• [jest-mock] Add timestamps to mock state. (#4866)
• [eslint-plugin-jest] Add prefer-to-have-length lint rule. (#4771)
• [jest-environment-jsdom] [BREAKING] Upgrade to JSDOM@11 (#4770)
• [jest-environment-*] [BREAKING] Add Async Test Environment APIs, dispose is now teardown (#4506)
• [jest-cli] Add an option to clear the cache (#4430)
• [babel-plugin-jest-hoist] Improve error message, that the second argument of jest.mock must be an inline function (#4593)
• [jest-snapshot] [BREAKING] Concatenate name of test and snapshot (#4460)
• [jest-cli] [BREAKING] Fail if no tests are found (#3672)
• [jest-diff] Highlight only last of odd length leading spaces (#4558)
• [jest-docblock] Add docblock.print() (#4517)
• [jest-docblock] Add strip (#4571)
• [jest-docblock] Preserve leading whitespace in docblock comments (#4576)
• [jest-docblock] remove leading newlines from parswWithComments().comments (#4610)
• [jest-editor-support] Add Snapshots metadata (#4570)
• [jest-editor-support] Adds an 'any' to the typedef for updateFileWithJestStatus (#4636)
• [jest-editor-support] Better monorepo support (#4572)
• [jest-environment-jsdom] Add simple rAF polyfill in jsdom environment to work with React 16 (#4568)
• [jest-environment-node] Implement node Timer api (#4622)
• [jest-jasmine2] Add testPath to reporter callbacks (#4594)
• [jest-mock] Added support for naming mocked functions with .mockName(value) and .mockGetName() (#4586)
• [jest-runtime] Add module.loaded, and make module.require not enumerable (#4623)
• [jest-runtime] Add module.parent (#4614)
• [jest-runtime] Support sourcemaps in transformers (#3458)
• [jest-snapshot] [BREAKING] Add a serializer for jest.fn to allow a snapshot of a jest mock (#4668)
• [jest-worker] Initial version of parallel worker abstraction, say hello! (#4497)
• [jest-jasmine2] Add testLocationInResults flag to add location information per spec to test results (#4782)
• [jest-environment-jsdom] Update JSOM to 11.4, which includes built-in support for requestAnimationFrame (#4919)
• [jest-cli] Hide watch usage output when running on non-interactive environments (#4958)
• [jest-snapshot] Promises support for toThrowErrorMatchingSnapshot (#4946)
• [jest-cli] Explain which snapshots are obsolete (#5005)

Chore & Maintenance

• [docs] Add guide of using with puppeteer (#5093)
• [jest-util] jest-util should not depend on jest-mock (#4992)
• [*] [BREAKING] Drop support for Node.js version 4 (#4769)
• [docs] Wrap code comments at 80 characters (#4781)
• [eslint-plugin-jest] Removed from the Jest core repo, and moved to https://github.com/jest-community/eslint-plugin-jest (#4867)
• [babel-jest] Explicitly bump istanbul to newer versions (#4616)
• [expect] Upgrade mocha and rollup for browser testing (#4642)
• [docs] Add info about coveragePathIgnorePatterns (#4602)
• [docs] Add Vuejs series of testing with Jest (#4648)
• [docs] Mention about optional done argument in test function (#4556)
• [jest-cli] Bump node-notifier version (#4609)
• [jest-diff] Simplify highlight for leading and trailing spaces ([#4553](https://github.com/face...

21.2.1

• Fix watchAll not running tests on save (#4550)
• Add missing escape sequences to ConvertAnsi plugin (#4544)

21.2.0

• 🃏 Change license from BSD+Patents to MIT.
• Allow eslint-plugin to recognize more disabled tests (#4533)
• Add babel-plugin for object spread syntax to babel-preset-jest (#4519)
• Display outer element and trailing newline consistently in jest-diff (#4520)
• Do not modify stack trace of JestAssertionError (#4516)
• Print errors after test structure in verbose mode (#4504)
• Fix --silent --verbose problem (#4505)
• Fix: Reset local state of assertions when using hasAssertions (#4498)
• jest-resolve: Prevent default resolver failure when potential resolution directory does not exist (#4483)

21.1.0

• (minor) Use ES module exports (#4454)
• Allow chaining mockClear and mockReset (#4475)
• Call jest-diff and pretty-format more precisely in toHaveProperty matcher (#4445)
• Expose restoreAllMocks to object (#4463)
• Fix function name cleaning when making mock fn (#4464)
• Fix Map/Set equality checker (#4404)
• Make FUNCTION_NAME_RESERVED_PATTERN stateless (#4466)

21.0.2

• Take precedence of NODE_PATH when resolving node_modules directories (#4453)
• Fix race condition with --coverage and babel-jest identical file contents edge case (#4432)
• Add extra parameter --runTestsByPath. (#4411)
• Upgrade all outdated deps (#4425)

21.0.1

• Remove obsolete error (#4417)

21.0.0

• Add --changedFilesWithAncestor (#4070)

• Add --findRelatedFiles (#4131)

• Add --onlyChanged tests (#3977)

• Add contextLines option to jest-diff (#4152)

• Add alternative serialize API for pretty-format plugins (#4114)

• Add displayName to MPR (#4327)

• Add displayName to TestResult (#4408)

• Add es5 build of pretty-format (#4075)

• Add extra info to no tests for changed files message (#4188)

• Add fake chalk in browser builds in order to support IE10 (#4367)

• Add jest.requireActual (#4260)

• Add maxWorkers to globalConfig (#4005)

• Add skipped tests support for jest-editor-support (#4346)

• Add source map support for better debugging experience (#3738)

• Add support for Error objects in toMatchObject (#4339)

• Add support for Immutable.Record in pretty-format (#3678)

• Add tests for extract_requires on export types (#4080)

• Add that toMatchObject can match arrays (#3994)

• Add watchPathIgnorePatterns to exclude paths to trigger test re-run in watch mode (#4331)

• Adding ancestorTitles property to JSON test output (#4293)

• Allow custom resolver to be used with[out] moduleNameMapper (#4174)

• Avoid parsing .require(…) method calls (#3777)

• Avoid unnecessary function declarations and call in pretty-format (#3962)

• Avoid writing to stdout in default reporter if --json is enabled. Fixes #3941 (#3945)

• Better error handling for --config (#4230)

• Call consistent pretty-format plugins within Jest (#3800)

• Change babel-core to peerDependency for compatibility with Babel 7 (#4162)

• Change Promise detection code in jest-circus to support non-global Promise implementations (#4375)

• Changed files eager loading (#3979)

• Check whether we should output to stdout or stderr (#3953)

• Clarify what objects toContain and toContainEqual can be used on (#4307)

• Clean up resolve() logic. Provide useful names for variables and functions. Test that a directory exists before attempting to resolve files within it. (#4325)

• cleanupStackTrace (#3696)

• compare objects with Symbol keys (#3437)

• Complain if expect is passed multiple arguments (#4237)

• Completes nodeCrawl with empty roots (#3776)

• Consistent naming of files (#3798)

• Convert code base to ESM import (#3778)

• Correct summary message for flag --findRelatedTests. (#4309)

• Coverage thresholds can be set up for individual files (#4185)

• custom reporter error handling (#4051)

• Define separate type for pretty-format plugin Options (#3802)

• Delete confusing async keyword (#3679)

• Delete redundant branch in ReactElement and HTMLElement plugins (#3731)

• Don't format node assert errors when there's no 'assert' module (#4376)

• Don't print test summary in --silent (#4106)

• Don't try to build ghost packages (#3934)

• Escape double quotes in attribute values in HTMLElement plugin (#3797)

• Explain how to clear the cache (#4232)

• Factor out common code for collections in pretty-format (#4184)

• Factor out common code for markup in React plugins (#4171)

• Feature/internal resolve (#4315)

• Fix --logHeapUsage (#4176)

• Fix --showConfig to show all project configs (#4078)

• Fix --watchAll (#4254)

• Fix bug when setTimeout is mocked (#3769)

• Fix changedFilesWithAncestor (#4193)

• Fix colors for expected/stored snapshot message (#3702)

• Fix concurrent test failure (#4159)

• Fix for 4286: Compare Maps and Sets by value rather than order (#4303)

• fix forceExit (#4105)

• Fix grammar in React Native docs (#3838)

• Fix inconsistent name of complex values in pretty-format (#4001)

• Fix issue mocking bound method (#3805)

• Fix jest-circus (#4290)

• Fix lint warning in master

  (#4132)

• Fix linting (#3946)

• fix merge conflict (#4144)

• Fix minor typo (#3729)

• fix missing console.log messages (#3895)

• fix mock return value (#3933)

• Fix mocking for modules with folders on windows (#4238)

• Fix NODE_PATH resolving for relative paths (#3616)

• Fix options.moduleNameMapper override order with preset (#3565 (#3689)

• Fix React PropTypes warning in tests for Immutable plugin (#4412)

• Fix regression in mockReturnValueOnce (#3857)

• Fix sample code of mock class constructors (#4115)

• Fix setup-test-framework-test (#3773)

• fix typescript jest test crash (#4363)

• Fix watch mode (#4084)

• Fix Watchman on windows (#4018)

• Fix(babel): Handle ignored files in babel v7 (#4393)

• Fix(babel): Support upcoming beta (#4403)

• Fixed object matcher (#3799)

• Fixes #3820 use extractExpectedAssertionsErrors in jasmine setup

• Flow upgrade (#4355)

• Force message in matchers to always be a function (#3972)

• Format describe and use test instead of it alias (#3792)

• global_config.js for multi-project runner (#4023)

• Handle async errors (#4016)

• Hard-fail if hasteImpl is throwing an error during initialization. (#3812)

• Ignore import type for extract_requires (#4079)

• Ignore indentation of data structures in jest-diff (#3429)

• Implement 'jest.requireMock' (#4292)

• Improve Jest phabricator plugin (#4195)

• Improve Seq and remove newline from non-min empty in Immutable plugin (#4241)

• Improved the jest reporter with snapshot info per test. (#3660)

• Include fullName in formattedAssertion (#4273)

• Integrated with Yarn workspaces (#3906)

• jest --all (#4020)

• jest-circus test failures (#3770)

• jest-circus Timeouts (#3760)

• jest-haste-map: add test case for broken han...

20.0.4

• Fix jest-haste-map's handling of duplicate module IDs. (#3647)
• Fix behavior of enableAutomock() when automock is set to false. (#3624)
• Fix progress bar in windows. (#3626)

20.0.3

• Fix reporters 'default' setting. (#3562)
• Fix to make Jest fail when the coverage threshold not met. (#3554)

20.0.1

• Add ansi-regex to pretty-format dependencies (#3498)
• Fix replacement in testMatch and moduleDirectories (#3538)
• Fix expect.hasAssertions() to throw when passed arguments (#3526)
• Fix stack traces without proper error messages (#3513)
• Fix support for custom extensions through haste packages (#3537)
• Fix test contexts between test functions (#3506)