Issue #1668866 by ParisLiakos, aspilicious, tim.plunkett, pdrake, g.oechsler, dawehner, Berdir, corvus_ch, damiankloip, disasm, marcingy, neclimdul: Replace drupal_goto() with RedirectResponse.
Issue #1852454 by patrickd, xjm, YesCT, Berdir, amateescu, Pancho, djroshi, dealancer, Wim Leers, jessebeach: Restrict module and theme name lengths to 50 characters.
Issue #1777956 by fago, klausi, sun, dasjo: Provide a way to define default values for entity fields.
Issue #1983548 by Berdir, LukyLuke_ch, giammi, effulgentsia: Convert contact message entities to the new Entity Field API.
Issue #1998698 by larowlan, jibran, quicksketch: Allow Dialog Controller to work with form/entity form routes.
Issue #1947536 by andypost, donquixote, larowlan, splatio, kim.pepper, alexpott, Crell, tim.plunkett: Convert drupal_get_breadcrumb() and drupal_set_breadcrumb() to a service.
Issue #1982980 by ParisLiakos, larowlan, dawehner, tim.plunkett: Move entity_get_form() to Drupal\Core\Entity\EntityManager::getForm().
Issue #1903346 by Berdir, tim.plunkett, EclipseGc: Establish a new DefaultPluginManager to encapsulate best practices.
Issue #2012682 by fago: Fixed Constraints in getPropertyDefinitions generate violations without a delta.
Issue #2008356 by dawehner, tim.plunkett: Provide a _entity_list() route default to replace Controller\EntityListController and mimic _entity_form().
Issue #1893772 by chx, fubhy, slashrsm: Move entity-type specific storage logic into entity classes.
Issue #1950632 by effulgentsia, Wim Leers, amateescu, yched: Create a FieldDefinitionInterface, decoupled from and config entities, and use it for formatters and widgets.
Issue #2010290 by tim.plunkett, larowlan, alexpott, ParisLiakos: Editing a config entity from a listing page results in a 'page not found'.
Issue #2003568 by dawehner, jhedstrom: Convert tags,attributes, diff and url validation unit tests to phpunit.
Issue #1998228 by ParisLiakos, dawehner: Remove hook_menu_site_status_alter() in favor of request listeners.
Issue #1970360 by Crell, linclark, dawehner, YesCT, matt2000: Entities should define URI templates and standard links.
Issue #1986802 by yched: Rename PluginInspectionInterface::getDefinition() to getPluginDefinition().
Issue #2004408 by YesCT, penyaskito: Allow modules to alter the result of EntityListController::getOperations.
Issue #1998140 by dawehner, ParisLiakos, tim.plunkett: Remove backward compatible ControllerInterface.