jestjs/jest v30.0.0-alpha.4

on GitHub

Features

• [jest-circus] Add a retryImmediately option to jest.retryTimes (#14696)
• [@jest/core] Support --outputFile option for --listTests (#14980)
• [@jest/environment] [BREAKING] Remove deprecated jest.genMockFromModule() (#15042)
• [@jest/environment] [BREAKING] Remove unnecessary defensive code (#15045)
• [jest-matcher-utils] Add SERIALIZABLE_PROPERTIES to allow custom serialization of objects (#14893)
• [jest-reporters] Add support for DEC mode 2026 (#15008)
• [jest-runtime] Support import.meta.resolve (#14930)
• [jest-runtime] [BREAKING] Make it mandatory to pass globalConfig to the Runtime constructor (#15044)
• [@jest/types] Improve argument type inference passed to test and describe callback functions from each tables (#14920)

Fixes

• [expect] Improve diff for failing expect.objectContaining (#15038)
• [jest-changed-files] Print underlying errors when VCS commands fail (#15052)
• [jest-changed-files] Abort sl root call if output resembles a steam locomotive (#15053)
• [jest-each] Allow $keypath templates with null or undefined values (#14831)
• [@jest/expect-utils] Catch circular references within arrays when matching objects (#14894)
• [@jest/expect-utils] Fix not addressing to Sets and Maps as objects without keys (#14873)
• [jest-util] Add missing dependency on jest-regex-util (#15030)

Chore & Maintenance

• [@jest/reporters] Upgrade istanbul-lib-source-maps (#14924)
• [jest-util] Upgrade picomatch to v4 (#14653 & #14885)
• [docs] Link NestJS documentation on testing with Jest (#14940)

New Contributors

• @CheadleCheadle made their first contribution in #14930
• @Germandrummer92 made their first contribution in #14831
• @hkdobrev made their first contribution in #14940
• @MathieuFedrigo made their first contribution in #14920
• @georgekaran made their first contribution in #14893
• @manoraj made their first contribution in #14980
• @ShuZhong made their first contribution in #14957
• @peterdenham made their first contribution in #14988
• @Vadimchesh made their first contribution in #14977
• @haze made their first contribution in #15008
• @ofekm97 made their first contribution in #14873
• @rmartine-ias made their first contribution in #15052
• @colinacassidy made their first contribution in #15038

Full Changelog: v30.0.0-alpha.3...v30.0.0-alpha.4