Issue #3020716 by seanB, lauriii, phenaproxima, Gábor Hojtsy, dww, andrewmacpherson, alexpott, larowlan, xjm, benjifisher: Add vertical tabs style menu to media library

Issue #2754493 by quietone, mikelutz, vacho, vasi, masipila: D6 synchronized field settings aren't migrated properly

Issue #1883744 by hchonov, tim.plunkett, borisson_, xjm, tstoeckler, joachim: Convert Entity to EntityBase for consistency with ContentEntityBase and ConfigEntityBase

Issue #3028301 by tedbow, tim.plunkett, Wim Leers, xjm: Do not expose to Layout Builder's sections either in defaults or overrides to REST and other external APIs

Issue #3031302 by alexpott, Wim Leers: \Drupal\system\EventSubscriber\ConfigCacheTag is trying to clear render cache for THEME_NAME.settings changes but it does not work

Issue #3026264 by Wim Leers, cspitzlay: UserAccessControlHandler::checkFieldAccess() denies access to mail field without varying by the ‘user’ cache context

Issue #2215857 followup by gaydamaka, timmillwood, alexpott, lauriii: Regression on Internet Explorer 11

Issue #3031128 by alexpott, TrevorBradley, indigoxela, catch, cilefen, larowlan, jibran: Update from 8.6.7 to 8.6.8 warnings - Drupal\Core\Extension\Extension has no unserializer

Issue #3021406 by ApacheEx, Lendude: Convert \Drupal\Tests\quickedit\FunctionalJavascript\QuickEditLoadingTest::testDisplayOptions to a kernel test

Issue #2998862 by bnjmnm, tedbow, bendeguz.csirmaz, samuel.mortenson, starshaped, phenaproxima, lauriii, alwaysworking, andrewmacpherson: The Layout Builder block listing should be filterable

Issue #3025657 by seanB, dww, gbirch, benjifisher, Lendude, phenaproxima, starshaped, webchick, MrMason, dawehner: Add views area plugin to display a link to another view display within the same view

Issue #2924201 by tim.plunkett, tedbow, larowlan, xjm, jibran, Kristen Pol: Resolve random failure in LayoutBuilderTest so that it can be added to HEAD

Revert "Issue #3025657 by seanB, dww, gbirch, benjifisher, Lendude, phenaproxima, starshaped, webchick, MrMason, dawehner: Add views area plugin to display a link to another view display within the same view"

This reverts commit 8b4ced17.

Issue #2135445 by dww, Sam152, jessebeach, Mile23, Kristen Pol, Wim Leers, larowlan: Toolbar displays Manage tab even if the user is not permitted to see it

Issue #3025657 by seanB, dww, gbirch, benjifisher, Lendude, phenaproxima, starshaped, webchick, MrMason, dawehner: Add views area plugin to display a link to another view display within the same view

Issue #2988433 by seanB, samuel.mortenson, rodrigoaguilera, chr.fritsch, Wim Leers, katzilla, phenaproxima, tim.plunkett, alexpott, tstoeckler, marcoscano, webchick: Automatically create and configure Media Library view and form displays

Issue #3020352 by tedbow, Wim Leers, tim.plunkett, xjm, andrewmacpherson, lauriii, phenaproxima, alwaysworking: Create a new AnnounceCommand to call Drupal.announce on an AjaxResponse

Revert "Issue #2946122 by mikelutz, heddn, tim.plunkett, phenaproxima, alexpott, MegaChriz, joachim: Deprecate ConfigurablePluginInterface and replace with an interface that doesn't extend DependentPluginInterface"

This reverts commit b1f49624.

Issue #2873858 by karma0321, dhruveshdtripathi, schiavone, vakulrai, sorabh.v6, Dinesh18, alexpott, larowlan, Mile23, chrischaplow, Gábor Hojtsy, jpmelguizo, Max1muss: Add Change record to @deprecated for EntityManagerInterface

Revert "Issue #2873858 by karma0321, dhruveshdtripathi, schiavone, vakulrai, sorabh.v6, Dinesh18, Mile23, larowlan, chrischaplow, Gábor Hojtsy, jpmelguizo, max1mus: Add Change record to @deprecated for EntityManagerInterface"

This reverts commit 5d107560.

Issue #3029373 by effulgentsia, Wim Leers, catch: PageCache::getCacheId() sometimes uses different cache IDs during get and set, causing unnecessary cache misses for some requests

Issue #2723593 by alexpott, Jo Fitzgerald, daffie, JacobSanford, rajeshwari10, chishah92, Saviktor, marvin_B8, valthebald, Mile23, Berdir: Properly deprecate entity_load() and friends

Issue #2975539 by mondrake, alexpott, marcoscano, desierto: Changing machine name of image style leads to WSOD when loading widgets that used the old name

Issue #3009344 by tim.plunkett, xjm, bnjmnm: Reloading the Layout Builder while JS is available differs from when JS is not available

Issue #3030086 by amateescu, dhirendra.mishra, Berdir, joshi.rohit100: Clean up content_translation_entity_presave()

Issue #2859315 by quietone, heddn, jhodgdon: SQL error from profile_fields when migrating d6 (or d7) to d8 without Profile module

Issue #3015752 by alexpott, bnjmnm: Properly deprecate USERNAME_MAX_LENGTH and USER_REGISTER_* constants

Issue #3022749 by tim.plunkett, phenaproxima, bkosborne: The getDefaultSectionStorage() method on OverridesSectionStorage does not return the correct object

Issue #3029673 by Lendude, Gábor Hojtsy: Convert \Drupal\field_ui\Tests\ManageDisplayTest to BrowserTestBase

Issue #3025580 by alexpott, Krzysztof Domański, Kristen Pol: \Drupal\Tests\system\Functional\Menu\AssertBreadcrumbTrait::assertBreadcrumbParts is vulnerable to false positives

Issue #3025867 by tim.plunkett, Kristen Pol, phenaproxima, alexpott, xjm, andypost: Provide a classed object for TempStore metadata