v26.0.1

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Fixes

• [jest-circus] Backward compatibility for deprecated DescribeBlock.tests to not break e.g. Detox reporter

v26.0.0

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Features

• [jest-environment-jsdom] [BREAKING] Upgrade jsdom to v16 (#​9606)
• [@jest/fake-timers] Add possibility to use a modern implementation of fake timers, backed by @sinonjs/fake-timers (#​7776)
• [jest-runtime] Add createMockFromModule as an alias for genMockFromModule (#​9962)

Fixes

• [babel-jest] Handle null being passed to createTransformer (#​9955)
• [jest-circus, jest-console, jest-jasmine2, jest-reporters, jest-util, pretty-format] Fix time durating formatting and consolidate time formatting code (#​9765)
• [jest-circus] [BREAKING] Fail tests if a test takes a done callback and have return values (#​9129)
• [jest-circus] [BREAKING] Throw a proper error if a test / hook is defined asynchronously (#​8096)
• [jest-circus] Throw more descriptive error if hook is defined inside test (#​9957)
• [jest-circus] [BREAKING] Align execution order of tests to match jasmine's top to bottom order (#​9965)
• [jest-config, jest-resolve] [BREAKING] Remove support for browser field (#​9943)
• [jest-haste-map] Stop reporting files as changed when they are only accessed (#​7347)
• [jest-resolve] Show relative path from root dir for module not found errors (#​9963)
• [jest-runtime] Fix absolute path moduleNameMapper + jest.mock bug (#​8727)

Chore & Maintenance

• [*] [BREAKING] TypeScript definitions requires a minimum of TypeScript v3.8 (#​9823)
• [*] [BREAKING] Drop support for Node 8 (#​9423)
• [*] Upgrade to chalk@4 (#​9752)
• [*] Remove usage of realpath-native (#​9952)
• [docs] Fix example reference implementation to use Jest with Phabricator (#​8662)
• [docs] Added default compiler to tranform (#​8583)
• [docs] Updated Testing Frameworks guide with React; make it generic (#​9106)
• [expect, jest-mock, pretty-format] [BREAKING] Remove build-es5 from package (#​9945)
• [@jest/fake-timers, @​jest/environment] [BREAKING] Rename LolexFakeTimers to ModernFakeTimers (#​9960)
• [jest-haste-map] [BREAKING] removed providesModuleNodeModules (#​8535)
• [jest-runtime] [BREAKING] Remove long-deprecated require.requireActual and require.requireMock methods (#​9854)

v25.5.1

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Fixes

• [jest-haste-map] Add missing @types/graceful-fs dependency (#​9913)
• [jest-runner] Correctly serialize Set passed to worker (#​9915)
• [jest-runtime] Vary ESM cache by query (#​9914)

v25.5.0

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Features

• [@jest/globals] New package so Jest's globals can be explicitly imported (#​9801)
• [jest-core] Show coverage of sources related to tests in changed files (#​9769)
• [jest-runtime] Populate require.cache (#​9841)

Fixes

• [*] Use graceful-fs directly in every package instead of relying on fs being monkey patched (#​9443)
• [expect] Prints the Symbol name into the error message with a custom asymmetric matcher (#​9888)
• [jest-circus, jest-jasmine2] Support older version of jest-runtime (#​9903 & #​9842)
• [@jest/environment] Make sure not to reference Jest types (#​9875)
• [jest-message-util] Code frame printing should respect --noStackTrace flag (#​9866)
• [jest-runtime] Support importing CJS from ESM using import statements (#​9850)
• [jest-runtime] Support importing parallel dynamic imports (#​9858)
• [jest-transform] Improve source map handling when instrumenting transformed code (#​9811)

Chore & Maintenance

• [docs] Add an example for mocking non-default export class

Performance

• [jest-resolve] Update resolve to a version using native realpath, which is faster than the default JS implementation (#​9872)
• [jest-resolve] Pass custom cached realpath function to resolve (#​9873)
• [jest-runtime] Add teardown method to clear any caches when tests complete (#​9906)
• [jest-runtime] Do not pass files required internally through transformation when loading them (#​9900)
• [jest-runtime] Use Maps instead of object literals as cache holders (#​9901)