v30.0.0-alpha.1

Features

• [jest-config] [BREAKING] Add mts and cts to default moduleFileExtensions config (#14369)
• [jest-config] [BREAKING] Update testMatch and testRegex default option for supporting mjs, cjs, mts, and cts (#14584)
• [@jest/core] [BREAKING] Group together open handles with the same stack trace (#13417, & #14543)
• [@jest/core, @jest/test-sequencer] [BREAKING] Exposes globalConfig & contexts to TestSequencer (#14535, & #14543)
• [jest-environment-jsdom] [BREAKING] Upgrade JSDOM to v22 (#13825)
• [@jest/fake-timers] [BREAKING] Upgrade @sinonjs/fake-timers to v11 (#14544)
• [@jest/fake-timers] Exposing new modern timers function advanceTimersToFrame() which advances all timers by the needed milliseconds to execute callbacks currently scheduled with requestAnimationFrame (#14598)
• [jest-runtime] Exposing new modern timers function jest.advanceTimersToFrame() from @jest/fake-timers (#14598)
• [@jest/schemas] Upgrade @sinclair/typebox to v0.31 (#14072)
• [@jest/types] test.each(): Accept a readonly (as const) table properly (#14565)
• [jest-snapshot] [BREAKING] Add support for Error causes in snapshots (#13965)
• [jest-snapshot] Support Prettier 3 (#14566)
• [pretty-format] [BREAKING] Do not render empty string children ('') in React plugin (#14470)

Fixes

• [babel-plugin-jest-hoist] Use denylist instead of the deprecated blacklist for Babel 8 support (#14109)
• [expect] Check error instance type for toThrow/toThrowError (#14576)
• [jest-circus] [BREAKING] Prevent false test failures caused by promise rejections handled asynchronously (#14315)
• [jest-circus, jest-expect, jest-snapshot] Pass test.failing tests when containing failing snapshot matchers (#14313)
• [jest-config] Make sure to respect runInBand option (#14578)
• [@jest/expect-utils] Fix comparison of DataView (#14408)
• [jest-leak-detector] Make leak-detector more aggressive when running GC (#14526)
• [jest-runtime] Properly handle re-exported native modules in ESM via CJS (#14589)
• [jest-util] Make sure isInteractive works in a browser (#14552)
• [pretty-format] [BREAKING] Print ArrayBuffer and DataView correctly (#14290)
• [jest-cli] When specifying paths on the command line, only match against the relative paths of the test files (#12519)
  • [BREAKING] Changes testPathPattern configuration option to testPathPatterns, which now takes a list of patterns instead of the regex.
  • [BREAKING] --testPathPattern is now --testPathPatterns
• [jest-reporters, jest-runner] Unhandled errors without stack get correctly logged to console (#14619)

Performance

• [*] [BREAKING] Bundle all of Jest's modules into index.js (#12348, #14550 & #14661)

Chore & Maintenance

• [*] [BREAKING] Drop support for Node.js versions 14 and 19 (#14460)
• [*] [BREAKING] Drop support for [email protected], minimum version is now 5.0 (#14542)
• [*] Depend on exact versions of monorepo dependencies instead of ^ range (#14553)
• [*] [BREAKING] Add ESM wrapper for all of Jest's modules (#14661)
• [babel-jest, babel-preset-jest] [BREAKING] Increase peer dependency of @babel/core to ^7.11 (#14109)
• [jest-cli, jest-config, @jest/types] [BREAKING] Remove deprecated --init argument (#14490)
• [docs] Fix typos in CHANGELOG.md and packages/jest-validate/README.md (#14640)
• [docs] Don't use alias matchers in docs (#14631)

New Contributors

• @Eric-Tyrrell22 made their first contribution in #14535
• @Dunqing made their first contribution in #14290
• @maro1993 made their first contribution in #14175
• @mknight-atl made their first contribution in #14560
• @verycosy made their first contribution in #14576
• @Peeja made their first contribution in #14565
• @KhaledElmorsy made their first contribution in #14313
• @alexreardon made their first contribution in #14598
• @nolddor made their first contribution in #14611
• @Mutesa-Cedric made their first contribution in #14613
• @the-ress made their first contribution in #14619
• @shresthasurav made their first contribution in #14640

Full Changelog: v29.7.0...v30.0.0-alpha.1