Features

• [jest-cli] Add changedSince to allowed watch mode configs (#6955)
• [babel-jest] Add support for babel.config.js added in Babel 7.0.0 (#6911)
• [jest-resolve] Add support for an experimental mapper option (Watchman crawler only) that adds virtual files to the Haste map (#6940)

Fixes

• [jest-resolve] Only resolve realpath once in try-catch (#6925)
• [expect] Fix TypeError in toBeInstanceOf on null or undefined (#6912)
• [jest-jasmine2] Throw a descriptive error if the first argument supplied to a hook was not a function (#6917) and (#6931)
• [jest-circus] Throw a descriptive error if the first argument supplied to a hook was not a function (#6917) and (#6931)
• [expect] Fix variadic custom asymmetric matchers (#6898)
• [jest-cli] Fix incorrect testEnvironmentOptions warning (#6852)
• [jest-each] Prevent done callback being supplied to describe (#6843)
• [jest-config] Better error message for a case when a preset module was found, but no jest-preset.js or jest-preset.json at the root (#6863)
• [jest-haste-map] Catch crawler error when unsuccessfully reading directories (#6761)

Chore & Maintenance

• [docs] Add custom toMatchSnapshot matcher docs (#6837)
• [docs] Improve the documentation regarding preset configuration (#6864)
• [docs] Clarify usage of --projects CLI option (#6872)
• [docs] Correct failure-change notification mode (#6878)
• [scripts] Don’t remove node_modules from subdirectories of presets in e2e tests (#6948)
• [diff-sequences] Double-check number of differences in tests (#6953)

Features

• [jest-cli] Add package name to NotifyReporter notification (#5898)
• [jest-runner] print stack trace when process.exit is called from user code (#6714)
• [jest-each] introduces %# option to add index of the test to its title (#6414)
• [pretty-format] Support serializing DocumentFragment (#6705)
• [jest-validate] Add recursive and recursiveBlacklist options for deep config checks (#6802)
• [jest-cli] Check watch plugins for key conflicts (#6697)

Fixes

• [jest-snapshot] Mark snapshots as obsolete when moved to an inline snapshot (#6773)
• [jest-config] Fix --coverage with --findRelatedTests overwriting collectCoverageFrom options (#6736)
• [jest-config] Update default config for testURL from 'about:blank' to 'http://localhost' to address latest JSDOM security warning. (#6792)
• [jest-cli] Fix testMatch not working with negations (#6648)
• [jest-cli] Don't report promises as open handles (#6716)
• [jest-each] Add timeout support to parameterised tests (#6660)
• [jest-cli] Improve the message when running coverage while there are no files matching global threshold (#6334)
• [jest-snapshot] Correctly merge property matchers with the rest of the snapshot in toMatchSnapshot. (#6528)
• [jest-snapshot] Add error messages for invalid property matchers. (#6528)
• [jest-cli] Show open handles from inside test files as well (#6263)
• [jest-haste-map] Fix a problem where creating folders ending with .js could cause a crash (#6818)

Chore & Maintenance

• [docs] Document another option to avoid warnings with React 16 (#5258)
• [docs] Add note explaining when jest.setTimeout should be called (#6817)
• [docs] Fixed bug in example code (#6828)

Bug Fixes

• config: More safely resolve 'jest-config' (0445500), close #854.

Bug Fixes

• cache: adds project's dep versions to cache key (6cacbea), closes #785
• cli: change options to better reflect the new presets (68abcfb)
• helpers: deprecate import from ts-jest, now ts-jest/utils (33ff29f), closes #782
• typings: typo in presets definition file (53767ab)
• typings: wrong import in preset typings + test (94dc4e7)

Bug Fixes

• compiler: do not force module kind if piping babel (acebc8c), closes #767

Features

• helpers: adds a mocked test helper for mock typings (f976135), closes #576

Bug Fixes

• cache: resolved tsconfig in cache key + pkg digest (e891608), closes #749
• cli: resets testMatch if using testRegex option (31ad0aa), closes #756
• diagnostics: throws only for category warning and error (bb28849), closes #748
• import: wrong error message when a module exists but fails (e0d6c57)
• preset: createJestPreset fails with base and no array (3c325e8)

Features

• cli: CLI 'config:migrate' now detects best preset (febd8d3)
• preset: adds 2 presets along the default one (9f3d759)
• preset: adds presets typings and export all presets (f55d895)
• typings: emit declaration files, filtering out internals (4f10f7e), closes #745

Bug Fixes

• compile: js files were never transpiled thru TS (374dca1), closes #740
• config: warn instead of forcing ESM interoperability (a2a4be2)
• windows: normalize paths (c12dfff)

ts-jest, reloaded!

• lots of new features including full type-checking and internal cache (see changelog)
• improved performances
• Babel not required anymore
• improved (and growing) documentation
• a ts-jest Slack community where you can find some instant help
• end-to-end isolated testing over multiple jest, typescript and babel versions

chore(release): 23.10.0-beta.6

chore(release): 23.10.0-beta.5

chore(release): 23.10.0-beta.4

chore(release): 23.10.0-beta.3

Added

• Strip TypeScript composite flag from configuration file

Changed

• Skip loading tsconfig.json files configuration, by default, to improve startup (e.g. files included by includes or files)
  • More info/solution: https://github.com/TypeStrong/ts-node#help-my-types-are-missing

This release ships both an overall performance improvement, along with a mitigation for a performance regression when upgrading to Node.js 16. See the change for more details.