27.4.0

Features

• [expect] Enhancing the toHaveProperty matcher to support array selection (#12092)
• [jest-core] Add support for testResultsProcessor written in ESM (#12006)
• [jest-diff, pretty-format] Add compareKeys option for custom sorting of object keys (#11992)
• [jest-mock] Add ts-jest mock util functions (#12089)

Fixes

• [expect] Allow again expect.Matchers generic with single value (#11986)
• [jest-circus, jest-jasmine2] Avoid false concurrent test failures due to unhandled promise rejections (#11987)
• [jest-config] Add missing slash dependency to package.json (#12080)
• [jest-core] Incorrect detection of open ZLIB handles (#12022)
• [jest-diff] Break dependency cycle (#10818)
• [jest-environment-jsdom] Add @types/jsdom dependency (#11999)
• [jest-environment-jsdom] Do not reset the global.document too early on teardown (#11871)
• [jest-transform] Improve error and warning messages (#11998)
• [jest-worker] Pass execArgv correctly to worker_threads worker (#12069)

Chore & Maintenance

• [docs] CLI options alphabetized (#11586)
• [jest-runner] Add info regarding timers to forcedExit message(#12083)
• [*] Replaced substr method with substring (#12066)
• [*] Add types entry to all export maps (#12073)

27.3.1

Fixes

• [expect] Make expect extension properties configurable (#11978)
• [expect] Fix .any() checks on primitive wrapper classes (#11976)

Chore & Maintenance

• [expect] BigInt global is always defined, don't check for its existence at runtime (#11979)
• [jest-config, jest-util] Use ci-info instead of is-ci to detect CI environment (#11973)

27.3.0

Features

• [jest-config] Add testEnvironmentOptions.html to apply to jsdom input (#11950)
• [jest-resolver] Support default export (.) in exports field if main is missing (#11919)

Fixes

• [expect] Tweak and improve types (#11949)
• [jest-runtime] Ensure absolute paths can be resolved within test modules (#11943)
• [jest-runtime] Fix instanceof for ModernFakeTimers and LegacyFakeTimers methods (#11946)

27.2.5

Features

• [jest-config] Warn when multiple Jest configs are located (#11922)

Fixes

• [expect] Pass matcher context to asymmetric matchers (#11926 & #11930)
• [expect] Improve TypeScript types (#11931)
• [expect] Improve typings of toThrow() and toThrowError() matchers (#11929)
• [jest-cli] Improve --help printout by removing defunct --browser option (#11914)
• [jest-haste-map] Use distinct cache paths for different values of computeDependencies (#11916)
• [@jest/reporters] Do not buffer console.logs when using verbose reporter (#11054)

Chore & Maintenance

• [expect] Export default matchers (#11932)
• [@jest/types] Mark deprecated configuration options as @deprecated (#11913)

27.2.4

Features

• [expect] Add equality checks for Array Buffers in expect.ToStrictEqual() (#11805)

Fixes

• [jest-snapshot] Correctly indent inline snapshots (#11560)

27.2.3

Features

• [@jest/fake-timers] Update @sinonjs/fake-timers to v8 (#11879)

Fixes

• [jest-config] Parse testEnvironmentOptions if received from CLI (#11902)
• [jest-reporters] Call destroy on v8-to-istanbul converters to free memory (#11896)

27.2.2

Fixes

• [jest-runtime] Correct wrapperLength value for ESM modules. (#11893)

27.2.0

Features

• [jest-resolver, jest-runtime] Pass conditions to custom resolvers to enable them to implement support for package.json exports field (#11859)
• [jest-runtime] Allow custom envs to specify exportConditions which is passed together with Jest's own conditions to custom resolvers (#11863)

Fixes

• [@jest/reporters] Use async transform if available to transform files with no coverage (#11852)
• [jest-util] Return correct value from process.send stub (#11799)

27.1.1

Features

• [jest-runtime] Add experimental, limited (and undocumented) support for mocking ECMAScript Modules (#11818)

Fixes

• [jest-resolver] Support node: prefix when importing Node core modules with ESM (#11817)
• [jest-types] Export the PrettyFormatOptions interface (#11801)

27.1.0

Features

• [jest-haste-map] Use watchman suffix-set option for faster file indexing. (#11784)
• [jest-cli] Adds a new config options snapshotFormat which offers a way to override any of the formatting settings which come with pretty-format. (#11654)
• [jest-reporters] Expose the getSummary util (#11695).
• [jest-resolver] Support node: prefix when importing Node core modules (#11331)

Fixes

• [jest-each] Relaxed the validation to allow multibyte characters in headings (#11575)
• [jest-environment-jsdom] Add support for userAgent option (#11773)
• [jest-environment-node] Add Event and EventTarget to node global environment. (#11727)
• [jest-mock] Fix spyOn to use Object.prototype.hasOwnProperty (#11721)
• [jest-resolver] Add dependency on jest-haste-map (#11759)
• [jest-types] Compat with @types/node v16 (#11645)

Chore & Maintenance

• [docs] Correct expects.assertions documentation by adding async/await for asynchronous function.