Issue #2604974 by Chi, tstoeckler, dcrocks, Edit Olah: Hide "Powered by Drupal" block title by default

Issue #2679096 by Berdir, dawehner, tim.plunkett: Convert Kernel Tests in Drupal\system\Tests\Entity to phpunit

Issue #2672512 by Birk, kurund: CKEditorPluginConfigurableInterface::settingsForm() docs don't match API usage

Issue #2665738 by droplet, zviryatko: jQuery Autocomplete applies "_renderItem" option only for first element on the page

Issue #2678628 by Wim Leers: Consider removing the BigPipe no-JS cookie when JS is enabled again in a browser

Issue #2626570 by Wim Leers, thpoul, DuaelFr: Drupal 8's custom Image and Link plugins do not include a HiDPI icon

Issue #2678574 by dawehner: Symfony 2.8 requirements change: required PHP "iconv" extension is nowhere documented

Issue #2412569 by claudiu.cristea, amateescu, yched, jibran, epari.siva: Allow setting the auto-create bundle on entity reference fields with multiple target bundles

Issue #2678550 by imrancluster: Need full stop (.) for description field's help text in Add comment type' section

Issue #2668008 by dimaro, kannan@kiluvai.com, rakesh.gectcr, felribeiro, jhodgdon, eojthebrave, xjm, mobaid: Internationalization topic refers to format_plural() function that does not exist

Issue #2614764 by snehi, priya.chat, rakesh.gectcr, anil280988, amit.drupal, jhodgdon: Wrong @param doc in class Composer

Issue #2623940 by alexpott, Berdir: ConfigInstaller tries to install optional config with missing dependencies

Issue #2528498 by Wim Leers, Jacine, mortendk: Only emit Quick Edit data- attributes when actually necessary

Issue #2672600 by borisson_, arunkumark, Mile23: Replace deprecated usage of  entity_create('node') with a direct call to Node::create() in comment,datetime,editor,field,hal,system,taxonomy,views

Issue #2502917 by dimaro, rakesh.gectcr, DuaelFr, suhel.rangnekar: Replace deprecated usage of entity_create used with variable entity types with a direct call to EntityManager::getStorage()->create()

Issue #2674780 by esclapes, catch, penyaskito, dawehner: Unexpected API change in UrlGenerator::generate()

Issue #2281691 by xjm, mikeryan, Gábor Hojtsy, alexpott, tim.plunkett, webchick, abhishek-anand, quietone, yoroy, stevepurkiss, benjy, Bojhan, Ryan Weal, aleksip, anavarre, hussainweb, er.pushpinderrana, cilefen, Luukyb, Jo Fitzgerald: User interface for migration-based upgrades

Issue #2678770 by alexpott, tstoeckler, Gábor Hojtsy: Random fail with third party shortcut settings schema on seven theme

Issue #2678978 by thpoul, Wim Leers: Change United Nations official languages URL in LanguageManager

Issue #1993928 by BarisW, Wim Leers, thpoul, effulgentsia, mgifford, Gábor Hojtsy, Hanno, Pancho, Bojhan: Language of parts: Introduce a language toolbar button

Issue #2679547 by Wim Leers: Fix random fail in ConfigImportAllTest caused by ModuleInstaller not rebuilding routes immediately, which happens to be surfaced by BigPipe