27.5.1

Features

• [jest-config] Support comments in JSON config file (#12316)
• [pretty-format] Expose ConvertAnsi plugin (#12308)

Fixes

• [expect] Add type definitions for asymmetric closeTo matcher (#12304)
• [jest-cli] Load binary via exported API (#12315)
• [jest-config] Replace jsonlint with parse-json (#12316)
• [jest-repl] Make module importable (#12311 & #12315)

Chore & Maintenance

• [*] Avoid anonymous default exports (#12313)

27.5.0

Features

• [expect] Add asymmetric matcher expect.closeTo (#12243)
• [jest-mock] Added mockFn.mock.lastCall to retrieve last argument (#12285)

Fixes

• [expect] Add a fix for .toHaveProperty('') (#12251)
• [jest-each, @jest/globals] Allow passing ReadonlyArray type of a table to describe.each and test.each (#12297)
• [@jest/globals] Add missing options argument to jest.doMock typing (#12292)
• [jest-environment-node] Add atob and btoa (#12269)
• [jest-matcher-utils] Correct diff for expected asymmetric matchers (#12264)
• [jest-message-util] Fix .getTopFrame() (and toMatchInlineSnapshot()) with mjs files (#12277)

Chore & Maintenance

• [*] Update graceful-fs to ^4.2.9 (#11749)

Performance

• [jest-resolve] perf: skip error creation on not found stat calls (#11749)

27.4.2

Fixes

• [jest-worker] Add additional execArgv to filter (#12103)

27.4.1

Fixes

• [jest-worker] Filter execArgv correctly (#12097)

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)

27.3.0

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)