Features

• [expect, @jest/expect-utils] Support custom equality testers (#13654)
• [jest-config, jest-worker] Use os.availableParallelism if available to calculate number of workers to spawn (#13738)
• [@jest/globals, jest-mock] Add jest.replaceProperty() that replaces property value (#13496)
• [jest-haste-map] ignore Sapling vcs directories (.sl/) (#13674)
• [jest-resolve] Support subpath imports (#13705, #13723, #13777)
• [jest-runtime] Add jest.isolateModulesAsync for scoped module initialization of asynchronous functions (#13680)
• [jest-runtime] Add jest.isEnvironmentTornDown function (#13741)
• [jest-test-result] Added skipped and focused status to FormattedTestResult (#13700)
• [jest-transform] Support for asynchronous createTransformer (#13762)

Fixes

• [jest-environment-node] Fix non-configurable globals (#13687)
• [@jest/expect-utils] toMatchObject should handle Symbol properties (#13639)
• [jest-mock] Fix mockReset and resetAllMocks undefined return value(#13692)
• [jest-resolve] Add global paths to require.resolve.paths (#13633)
• [jest-resolve] Correct node core module detection when using node: specifiers (#13806)
• [jest-runtime] Support WASM files that import JS resources (#13608)
• [jest-runtime] Use the scriptTransformer cache in jest-runner (#13735)
• [jest-runtime] Enforce import assertions when importing JSON in ESM (#12755 & #13805)
• [jest-snapshot] Make sure to import babel outside of the sandbox (#13694)
• [jest-transform] Ensure the correct configuration is passed to preprocessors specified multiple times in the transform option (#13770)

Chore & Maintenance

• [@jest/fake-timers] Update @sinonjs/fake-timers (#13612)
• [docs] Improve custom puppeteer example to prevent worker warnings (#13619)

New Contributors

• @lvqq made their first contribution in https://github.com/facebook/jest/pull/13633
• @zjfresh made their first contribution in https://github.com/facebook/jest/pull/13682
• @rnwst made their first contribution in https://github.com/facebook/jest/pull/13635
• @overlookmotel made their first contribution in https://github.com/facebook/jest/pull/13687
• @mmanciop made their first contribution in https://github.com/facebook/jest/pull/13680
• @Jeroendevr made their first contribution in https://github.com/facebook/jest/pull/13428
• @falsyvalues made their first contribution in https://github.com/facebook/jest/pull/13619
• @vegerot made their first contribution in https://github.com/facebook/jest/pull/13674
• @faustAbc made their first contribution in https://github.com/facebook/jest/pull/13331
• @valentincostam made their first contribution in https://github.com/facebook/jest/pull/13634
• @unional made their first contribution in https://github.com/facebook/jest/pull/13721
• @andrewiggins made their first contribution in https://github.com/facebook/jest/pull/13654
• @michal-kocarek made their first contribution in https://github.com/facebook/jest/pull/13496
• @jdufresne made their first contribution in https://github.com/facebook/jest/pull/13469
• @feliperli made their first contribution in https://github.com/facebook/jest/pull/13692
• @bob-zs made their first contribution in https://github.com/facebook/jest/pull/13740
• @MasterOdin made their first contribution in https://github.com/facebook/jest/pull/13743
• @kalyncoose made their first contribution in https://github.com/facebook/jest/pull/13746
• @arash-hacker made their first contribution in https://github.com/facebook/jest/pull/13747
• @jomendez made their first contribution in https://github.com/facebook/jest/pull/13741
• @coffeebeats made their first contribution in https://github.com/facebook/jest/pull/13770
• @lachrist made their first contribution in https://github.com/facebook/jest/pull/13762
• @lukeed made their first contribution in https://github.com/facebook/jest/pull/13777

Full Changelog: https://github.com/facebook/jest/compare/v29.3.1...v29.4.0