Jest 30 is shipping soon. Please help us test the beta and open issues and Pull Requests if you run into any issues.

Major changes & improvements

• chore!: drop support for node.js version 16. by @MillerSvt in https://github.com/jestjs/jest/pull/15623
• chore: update jsdom to v26.0.0 by @andreibereczki in https://github.com/jestjs/jest/pull/15473
• Mitigate memory leaks in jest-environment-node by @eyalroth in https://github.com/jestjs/jest/pull/15215

Fixes

• fix: pass resolve conditions when loading stub module by @andrew-the-drawer in https://github.com/jestjs/jest/pull/15489
• fix: refactor _importCoreModule so required core module is consistent by @jonasongg in https://github.com/jestjs/jest/pull/15517
• fix: error cause bug by @BondarenkoAlex in https://github.com/jestjs/jest/pull/15339
• fix: ignore Window object in deepCyclicCopyReplaceable by @MillerSvt in https://github.com/jestjs/jest/pull/15590
• fix(jest-haste-map): Fix clobbering/errors when multiple configs use different haste impls by @robhogan in https://github.com/jestjs/jest/pull/15522
• fix: print AggregateError to display by @BondarenkoAlex in https://github.com/jestjs/jest/pull/15346
• Prevent EPERM windows transform issue from failing tests by @lukeapage in https://github.com/jestjs/jest/pull/11104
• fix(objectContaining): Fixed a bug where ObjectContaining matched with non-object values. by @mohammednumaan in https://github.com/jestjs/jest/pull/15463
• Fix calledWith(objectContaining) when there are multiple calls by @ecraig12345 in https://github.com/jestjs/jest/pull/15508
• feat(expect): add ArrayOf asymmetric matcher by @icholy in https://github.com/jestjs/jest/pull/15567
• fix: jest-circus shares events among imports #11483 by @satanTime in https://github.com/jestjs/jest/pull/11529
• fix: worker state by @phawxby in https://github.com/jestjs/jest/pull/15610

New Contributors

• @andrew-the-drawer made their first contribution in https://github.com/jestjs/jest/pull/15489
• @jonasongg made their first contribution in https://github.com/jestjs/jest/pull/15517
• @danielrentz made their first contribution in https://github.com/jestjs/jest/pull/15514
• @co63oc made their first contribution in https://github.com/jestjs/jest/pull/15527
• @thypon made their first contribution in https://github.com/jestjs/jest/pull/15559
• @pengqiseven made their first contribution in https://github.com/jestjs/jest/pull/15602
• @anbnyc made their first contribution in https://github.com/jestjs/jest/pull/15521
• @tez3998 made their first contribution in https://github.com/jestjs/jest/pull/15359
• @dev-intj made their first contribution in https://github.com/jestjs/jest/pull/15605
• @zakingslayerv22 made their first contribution in https://github.com/jestjs/jest/pull/15583
• @loganrosen made their first contribution in https://github.com/jestjs/jest/pull/15498
• @dancer1325 made their first contribution in https://github.com/jestjs/jest/pull/15486
• @sebastiancarlos made their first contribution in https://github.com/jestjs/jest/pull/15372
• @cgm-16 made their first contribution in https://github.com/jestjs/jest/pull/15551
• @ecraig12345 made their first contribution in https://github.com/jestjs/jest/pull/15508
• @icholy made their first contribution in https://github.com/jestjs/jest/pull/15567
• @satanTime made their first contribution in https://github.com/jestjs/jest/pull/11529
• @JounQin made their first contribution in https://github.com/jestjs/jest/pull/15617
• @Dreamsorcerer made their first contribution in https://github.com/jestjs/jest/pull/15622
• @andreibereczki made their first contribution in https://github.com/jestjs/jest/pull/15473

Full Changelog: https://github.com/jestjs/jest/blob/main/CHANGELOG.md