Issue #2917653 by markcarver, bojan_dev, dww, idebr, lauriii: toolbar_preprocess_html() converts attributes from array to Attribute object

Issue #2995200 by Sam152, sjancich: Defaults for publishing options do not save when workflow is enabled

Issue #3029661 by Lendude, dawehner: Move BrowserTestBase tests out of modules/simpletest into /tests

Issue #3027745 by claudiu.cristea, idimopoulos, wengerk, alexpott: UniqueFieldConstraint doesn't work for entities with string IDs

Issue #2981602 by jansete, Lendude, askibinski, alexpott, dawehner, slv_, Sam152: Add page objects integration to Nightwatch

Issue #2973921 by tedbow, bnjmnm, yogeshmpawar, Kristen Pol, lauriii, alwaysworking, xjm, andrewmacpherson: Interactive controls inside preview block in the Layout Builder form should be disabled

Issue #2968110 by tedbow, tim.plunkett, Kristen Pol, bkosborne, andrewmacpherson: Layout Builder's ConfigureBlockFormBase forms do not display validation errors on submit

Issue #2994550 by tedbow, tim.plunkett, gapple, johndevman, Wim Leers, neclimdul, EclipseGc, catch: Filtering block plugins by context is slow

Issue #3033686 by tedbow, tim.plunkett: Saving Layout override will revert other field values to their values when the Layout was started

Issue #3028490 by tim.plunkett, Kristen Pol, xjm, tedbow, r.aubin, phenaproxima: Users with "configure any layout" can see entities they don't have "view" access to

SA-CORE-2019-003 by samuel.mortenson, Berdir, pwolanin, dawehner, cashwilliams, Wim Leers, xjm, larowlan, alexpott, plach, damiankloip, tstoeckler, tedbow, DamienMcKenna, effulgentsia, RobLoach, gabesullice, drumm, heshanlk, dsnopek, fago, miro_dietiker, truls1502

Revert "Issue #2937542 by alexpott, dawehner, Mile23, catch, mikelutz: Not setting the strict option of the Choice constraint to true is deprecated since Symfony 3.4 and will throw an exception in 4.0"

This reverts commit 030a9cef.

Issue #3031086 by amateescu, plach: Configurable fields that are created only for update path tests should be defined with custom_storage = TRUE

Issue #3023802 by seanB, phenaproxima, lauriii, Pancho, larowlan, shaal, dww: Show media add form directly on media type tab in media library

Issue #3022399 by andypost, YurkinPark, Berdir: Move action_views_form_substitutions() out of actions module

Issue #3028656 by Berdir, martin107: Add @trigger_error() to deprecated EntityManager listener methods

Issue #3023981 by Berdir, larowlan, alexpott, xjm, catch: Add @trigger_error() to deprecated EntityManager->EntityRepository methods

Issue #2926508 by Wim Leers, mpdonadio, joelstein, tacituseu, jhedstrom, effulgentsia, tedbow, mradcliffe, borisson_, dawehner, larowlan: Add DateTimeNormalizer+TimestampNormalizer, deprecate TimestampItemNormalizer: @DataType-level normalizers are reusable by JSON:API

Issue #3033404 by phenaproxima, seanB: Views DisplayLink area plugin tries to use non-existent theme hook

Issue #3026698 by tim.plunkett, Kristen Pol, xjm, tedbow: Allow section storage to provide a more granular ID for tempstore

Issue #3032869 by alexpott, tim.plunkett, dww, tacituseu, Mixologic: \Drupal\Core\Update\UpdateKernel::fixSerializedExtensionObjects() caused test runs to double in duration

Issue #3031756 by idebr, TMWagner, joachim: core/lib/Drupal/Core/Entity/entity.api.php references deprecated \Drupal::entityManager

Issue #3021654 by Mile23, kim.pepper, Berdir, andypost: Deprecate file_delete() and file_delete_multiple() in file.inc

Issue #3031580 by alexpott, Gábor Hojtsy, Lendude, catch, jibran, dawehner, Berdir: Undeprecate \Drupal\FunctionalTests\AssertLegacyTrait and \Drupal\KernelTests\AssertLegacyTrait in Drupal 8

Issue #3031775 by singhkiran, Chi: Cache backend classes reference non-existing functions cache_get() and cache_get_multiple()

Issue #3011079 by scott_euser, alexpott, Lendude: Convert \Drupal\system\Tests\Session\SessionHttpsTest to PHPUnit

Issue #3030501 by alexpott, Gábor Hojtsy, Berdir: [Symfony 4] Drupal\Core\StackMiddleware\ReverseProxyMiddleware calls Symfony\Component\HttpFoundation\Request::setTrustedHeaderName() which does not exist

Issue #3019333 by tim.plunkett, julenmelgar, Ismail Cherri: If you translate the literal "inline blocks" to another language in the layout builder, it stops working

Issue #3008927 by tim.plunkett, tedbow: The Layout Builder breadcrumbs for defaults don't lead to the view mode being edited

Issue #3004642 by amateescu, plach: Deprecate SqlContentEntityStorageSchemaConverter in favor of the new API provided by EntityTypeListenerInterface::onFieldableEntityTypeUpdate()

Issue #3031479 follow-up by amateescu, mondrake: Replaced numeric index names with regular names in the test coverage.

Issue #3031740 by alexpott, tmanhollan, catch, collinhaines: Updating to 8.6.8 or 8.6.9 with Drush 8 causes data loss via update_fix_compatibility()

Issue #2572605 by Gábor Hojtsy, slasher13, Jo Fitzgerald, alexpott, andypost, Cottser, skyredwang, mfernea, joelpittet, jibran, larowlan, aleevas, Wim Leers, lauriii, catch, Berdir: Make Drupal 8 optionally working with Twig 2, while keeping its dependency on Twig 1

Revert "Issue #3031577 by alexpott: \Drupal\Tests\Listeners\DeprecationListenerTrait::getSkippedDeprecations() does not work in unit tests"

This reverts commit c52175dd.

Issue #3031479 by amateescu, jibran, mondrake: TaxonomyVocabularyHierarchyUpdateTest::testTaxonomyUpdateParents() is prone to breaking on PostgreSQL

Issue #3032548 by Sam152: ContentModerationRouteSubscriber assumes all parameters in an entity form route contain a 'type' key