Issue #2851661 by alexpott, dawehner, xjm: Ensure that we're using the right ruleset for coding standards checking

Issue #2866056 by vaplas, mpdonadio, Wim Leers, dawehner: ResourceTestBase should not have a timeout

Issue #2867599 by tim.plunkett, DyanneNova: Add DyanneNova to MAINTAINERS.txt for the Layout Initiative

Issue #2867493 by xjm, alexpott, connectedrobots, webchick: Error: Call to a member function getTotalCount() on boolean in statistics_get()

Issue #2857681 by Jo Fitzgerald, quietone: Comments not starting with a capital letter in d6_file.yml & d7_file.yml

Issue #2683435 by quietone, Jo Fitzgerald, hussainweb, mikeryan, Steven Jones, alexpott, phenaproxima, Sam152, Pavan B S, michael_wojcik, Prashant.c, heddn, benjy: CCK does not exist in Drupal 7, rename Migrate's cckfield plugins to field plugins

Issue #2846830 by wturrell, Gábor Hojtsy, timmillwood, Wim Leers, webchick, cilefen, anavarre, dawehner, dagmar, naveenvalecha, xjm, jibran, effulgentsia, drpal: Add changelog for Drupal 8.3.0

Issue #2867113 by Berdir, Wim Leers: Fatal error in serialization_update_8302() when updating to 8.3.0-rc2

Issue #2826407 by Wim Leers, dawehner, Jo Fitzgerald: PATCH + POST allowed format validation happens in RequestHandler::handle(), rather than in the routing system

Issue #2807875 by quietone, Jo Fitzgerald, erozqba, phenaproxima: Convert Comment's Migrate source tests to new base class

Issue #2845489 by Jo Fitzgerald, quietone, phenaproxima, ultimike: Add documentation to StaticMap process plugin

Issue #2850797 by maxocub, dawehner, alexpott: Prepare our phpunit tests to be BC compatible with phpunit 5.x/6.x

Issue #2843779 by vaplas, Yogesh Pawar: EntityResource: Provide comprehensive test coverage for ShortcutSet entity

Issue #2866252 by arshadcn, rakesh.gectcr: Refactor \Drupal\Tests\rest\Functional\EntityResource\Block\BlockResourceTestBase::getExpectedCacheTags

Issue #2862947 by michielnugter, Jo Fitzgerald, boaloysius, klausi, alexpott, GoZ: Incorrect field assertions in AssertLegacyTrait

Issue #2865413 by Jo Fitzgerald, GoZ, klausi: Move RegisterSerializationClassesCompilerPassTest.php to correct location

Issue #2866109 by Eric_A: Add composer installer-paths for drupal-custom-modules/themes before 8.3.0

Issue #2780063 by mpdonadio, Jo Fitzgerald, GoZ, boaloysius, klausi, Lendude: Convert web tests to browser tests for datetime and datetime_range modules

Issue #2820490 by mpdonadio, heddn, Manuel Garcia, Jo Fitzgerald, shabana.navas, mikeryan, tstoeckler, quietone, Grayside, phenaproxima, damondt: FormatDate process plugin

Issue #2859029 by maya96, ajmantis, Pavan B S, joe_carvajal, manojbisht_drupal, alexpott, cilefen: Grammar issue with FTP error message

Issue #2782221 by Grimreaper, dawehner, Lendude, alexpott: Result summary Area plugin not displayed when there is no result

Issue #2845743 by pwolanin, tim.plunkett, AbhishekLal, claudiu.cristea, alexpott: Search form needlessly extends EntityForm

Issue #2861622 by alexpott: Running \Drupal\KernelTests\Config\DefaultConfigTest creates a directory called : in DRUPAL_ROOT

Issue #2851759 by FeyP: Properly document pathProcessor property of PathBasedBreadcrumbBuilder class

Issue #2854909 by arshadcn: Update documentation for \Drupal\Core\Render\ElementInfoManagerInterface

Issue #2843752 by arshadcn, Wim Leers: EntityResource: Provide comprehensive test coverage for Item entity

Issue #2843750 by vaplas, sumanthkumarc, Wim Leers: EntityResource: Provide comprehensive test coverage for Shortcut entity

Issue #2843786 by arshadcn: EntityResource: Provide comprehensive test coverage for ImageStyle entity

Issue #2650910 by drpal, Anishnirmal, markdorison, Tom Robert, psend, yannickoo, rachel_norfolk, Wim Leers, droplet: Contextual links button is always rendered even when no links are available (with warm client-side cache)