Issue #540008 by kristiaanvandeneynde, Spokje, daffie, clayfreeman, alexpott, eelkeblok, michaelfavia, ianthomas_uk, zaporylie, johnwebdev, abhisekmazumdar, anmolgoyal74, greggles, quietone, shaal, catch, rivimey, AaronMcHale, Berdir, ndf, xjm, finne, Wim Leers, esolitos, heddn, webchick, Bojhan, andypost, efpapado, benjifisher, lauriii, Gábor Hojtsy, moshe weitzman, harings_rob: Add a container parameter that can remove the special behavior of UID#1

Issue #3402294 by mstrelan, quietone, dww, smustgrave: Fix strict type errors: Convert FormattableMarkup to strings (complex replacement) in core Kernel tests

Revert "Issue #3370946 by kunal.sachdev, lauriii, tim.plunkett, omkar.podey, alexpott, ckrina, smustgrave, larowlan, rkoller, hooroomoo, duadua: Page title should contextualize the local navigation"

This reverts commit ad606a8f.

Issue #3370946 by kunal.sachdev, lauriii, tim.plunkett, omkar.podey, alexpott, ckrina, smustgrave, larowlan, rkoller, hooroomoo, duadua: Page title should contextualize the local navigation

Issue #3353210 by mondrake, PrabuEla, Spokje: [PHPUnit 10] @dataProvider methods must be declared static and public

Issue #3332593 by phenaproxima, Wim Leers, borisson_, lauriii, tim.plunkett: Adopt PluginExists validator in relevant places

Issue #3375406 by Akhil Babu, vaibhav_arora, shweta__sharma, Harish1688, Gauravvvv, Indrapatil, smustgrave: The 'Name' field in the Add form mode is required, even though it lacks any indication of being mandatory

Issue #3415412 by dww, gorkagr, acbramley, mstrelan: Field type plugin description is assumed to be an array

Issue #3404508 by mstrelan, smustgrave, quietone: Fix strict type errors in Functional tests: Add casts and fix types where needed

Issue #3409413 by gorkagr, lauriii, longwave: Error TypeError: Drupal\Core\Field\FieldTypeCategory::getDescription() if a FieldType has 'description' missing in its annotation

Issue #3408326 by benjifisher, omkar.podey, lauriii, srishtiiee: Make field selection a two-step form

Issue #3401994 by mstrelan, dww, xjm, smustgrave, nicxvan: Add declare(strict_types=1) to all test traits

Issue #3406222 by catch: Frequent random test failures in Drupal\Tests\field_ui\FunctionalJavascript\ManageFieldsTest

Issue #3384583 by srishtiiee, viren18febS, smustgrave: Default value widget is not updated on field config change

Issue #3403101 by Utkarsh_33, omkar.podey, Nitin shrivastava, narendraR: Label field need validation on the FieldStorageAddForm

Issue #3316274 by Wim Leers, catch, nod_, alexpott, longwave, bnjmnm: Stabilize FunctionalJavascript testing AJAX: add ::assertExpectedAjaxRequest()

Issue #3401236 by pradhumanjain2311, xjm, joachim, smustgrave: Rename EntityReferenceTestTrait to help discoverability

Issue #3348789 by catch, Altcom_Neil, markie, lauriii, pelicani, longwave, olli: Compress ajax_page_state

Issue #3365239 by ksere, bcgreen, lauriii, joey-santiago, Chris Matthews, kevinquillen, michaellenahan, onfire84, Mysdiir: Status message confirming field deletion incorrectly references 'content type'

Issue #3393338 by Berdir, smustgrave: Provide backwards-compatibility for storage settings in FieldUiTestTrait::fieldUIAddNewField

Issue #3347291 by lauriii, srishtiiee, tim.plunkett, hooroomoo, narendraR, tedbow, bnjmnm, alexpott, Berdir: Combine field storage and field instance forms

Issue #3386458 by catch, quietone, alexpott, larowlan: Add GenericModuleTestBase and use it to test general module things

Issue #3388365 by catch, larowlan, bbrala, smustgrave: Distribute @group #slow tests between test runners and mark more tests

Issue #3358049 by narendraR, lauriii, srishtiiee, Utkarsh_33, Wim Leers, tim.plunkett, tedbow, bnjmnm, smustgrave, Berdir, amateescu, larowlan: Save FieldStorageConfig at the same time as FieldConfig