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

Full Changelog: v29.3.1...v29.4.0