Release v28.0.0-alpha.9 · jestjs/jest

Features

[jest-core] Stabilize test runners with event emitters (#12641)
[jest-core, jest-watcher] [BREAKING] Move TestWatcher class to jest-watcher package (#12652)
[jest-core] Allow using Summary Reporter as stand-alone reporter (#12687)
[jest-environment-node] Add all available globals to test globals, not just explicit ones (#12642)
[@jest/reporters] Add GitHub Actions reporter (#12658)
[@jest/reporters] Pass reporterContext to custom reporter constructors as third argument (#12657)
[jest-resolve] Support package self-reference (#12682)
[jest-runner] Exposing CallbackTestRunner, EmittingTestRunner abstract classes to help typing third party runners (#12646)
[jest-runtime] [BREAKING] Remove Context type export, it must be imported from @jest/test-result (#12685)
[jest-transform] [BREAKING] Make it required for process() and processAsync() methods to always return structured data (#12638)

[expect] Fix print for the closeTo matcher (#12626)
[jest-each] Fixes error message with incorrect count of missing arguments (#12464)
[jest-haste-map] Make watchman existence check lazy+async (#12675)
[jest-mock] Handle overridden Function.name property (#12674)
[jest-resolver] Call custom resolver with core node.js modules (#12654)

[*] [BREAKING] Drop support for typescript@4.2, minimum version is now 4.3 (#12648)
[docs] Add upgrading guide (#12633)
[jest-config] [BREAKING] Rename config option name to id (#11981)
[jest-haste-map] Remove legacy isRegExpSupported (#12676)
[jest-runner] [BREAKING] Second argument to constructor (Context) is not optional (#12640)

Full Changelog: v28.0.0-alpha.8...v28.0.0-alpha.9