Issue #2553553 by burkeker, alvar0hurtad0, meramo: Remove references to system.module.css and system.theme.css in core

Issue #2633644 by rlhawk, mondrake, r_sharma08: Correct empty text does not display when there are no image styles

Issue #2267039 by aerozeppelin, joachim: UnsupportedDataTypeConfigException doesn't say which config file the problem is

Issue #2657096 by xjm: Provide a link to the experimental module policy in the status report warning

Issue #2587275 by swentel, Sharique, cilefen, ivanjaros, Dave Reid, Berdir: Invalid token used in user email notification

Issue #2643274 by swentel, Mac_Weber, amateescu: EntityAutocomplete does not recognize URLs ending with a parenthesis

Issue #2649892 by alexpott, mikey_p: Should typehint against DateFormatterInterface and not DateFormatter

Issue #2613400 by zaurav, valthebald, dawehner, tim.plunkett: Remove Drupal\Core\EventSubscriber\RouterRebuildSubscriber

Issue #2616816 by dawehner, Jaesin: Views aggregation: Grouping a field that doesn't exist on all bundles causes an error

Issue #2642362 by alexpott, chrisfree, Manjit.Singh: Animation of throbber-active.gif image is broken

Issue #376391 by mimran, snehi: Document that module_invoke_all / ModuleHandlerInterface::invokeAll reindexes arrays

Issue #2653692 by TravisCarden: Table form element usage example refers to non-existent "#title" element

Issue #2630162 by felribeiro, pguillard, pingwin4eg, karsumit94: The Edit URL Alias form buttons should be styled in consistency with other buttons

Issue #2604484 by quietone, dobe, drclaw, skyredwang, mikeryan, grahl: Migrate Drupal 7 image and file fields

Issue #2641430 by googletorp, sudhanshug, priya.chat: Typo/spelling error in LoggerChannelFactoryInterface

Issue #2402165 by joelpittet, hass, madhavvyas: #theme => 'links' renders <li class="_"> when the #links array is not associative

This reverts commit 5f7cb311.

Issue #2307141 by mbaynton, mgifford, Wim Leers: Enable browsers' (native) spell checker in CKEditor

Issue #2567815 by clemens.tolboom, Lendude, geertvd, mpdonadio, xjm, alexpott: Add week, date, and year-month Views argument plugins

Issue #2643942 by Lendude, no_angel, dawehner: Entityreference autocomplete with search fields uses wrong column name

Issue #2579471 by walangitan, droplet, biguzis, thorandre, swentel: Allow more chars in "Limit allowed HTML tags" filter

Issue #2637720 by dawehner, tim.plunkett: Ajax exposed filters + destination query don't work together

Issue #2567561 by Sagar Ramgade, mbaynton, Cottser, gnuget, Wim Leers: Captioned elements and their children are removed when theme debugging on

Issue #2479487 by claudiu.cristea, legolasbo, mondrake, yched, alexpott, jhedstrom, dawehner, Wim Leers: ImageStyles can be deleted while having dependent configuration