v28.0.0-alpha.8

Features

• [jest-cli] [BREAKING] Remove undocumented --timers option (#12572)
• [jest-cli, jest-core] Add --ignoreProjects CLI argument to ignore test suites by project name (#12620)
• [@jest/fake-timers] [BREAKING] Rename timers configuration option to fakeTimers (#12572)
• [@jest/fake-timers] [BREAKING] Allow jest.useFakeTimers() and projectConfig.fakeTimers to take an options bag (#12572)
• [jest-mock] Add contexts member to mock functions (#12601)
• [jest-reporters] Add GitHub Actions reporter (#11320)
• [jest-watcher] [BREAKING] Make PatternPrompt class to take entityName as third constructor parameter instead of this._entityName (#12591)

Fixes

• [jest-config] [BREAKING] Add mjs and cjs to default moduleFileExtensions config (#12578)
• [jest-environment-node] Add MessageChannel, MessageEvent to globals (#12553)
• [jest-environment-node] Add structuredClone to globals (#12631)
• [@jest/reporters] Move missing icon file which is needed for NotifyReporter class. (#12593)

Chore & Maintenance

• [babel-jest] [BREAKING] Only export createTransformer (#12407)
• [docs] Add more information about how code transformers work (#12407)

New Contributors

• @matthias-ccri made their first contribution in #12601
• @kaiguang made their first contribution in #12616
• @ockham made their first contribution in #11320
• @msonnberger made their first contribution in #12608
• @nate-io made their first contribution in #12607
• @fatso83 made their first contribution in #12407
• @Araxeus made their first contribution in #12631

Full Changelog: v28.0.0-alpha.7...v28.0.0-alpha.8