Sourced from jest's changelog.

23.6.0

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)

23.5.0

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)

... (truncated)

• 7707997 Release v23.6.0
• 025c6af diff-sequences: Double-check number of differences in tests (#6953)
• 312d1a5 Add 23.4 and 23.5 docs (#6954)
• 19ceeb5 Add changedSince to allowed watchmode configs (#6955)
• 38f445a scripts: Don’t remove node_modules from subdirectories of presets in e2e test...
• 790abe7 Update flow typing for {only,it,describe,it.only}.each function arguments t...
• 3c2a77d Grammar fixes (#6936)
• 2182a3b Validate hook functions first argument (#6931)
• 24c173e Update Troubleshooting.md (#6927)
• 065a0b2 jest-resolve - only resolve realpath once in try-catch (#6925)
• Additional commits viewable in compare view

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