Issue #1777956 by fago, klausi, sun, dasjo: Provide a way to define default values for entity fields.
Issue #2020353 by dawehner: Comments aren't displayed in Views when using Format: Unformatted list and Show: Comment | Full comment.
Issue #1983548 by Berdir, LukyLuke_ch, giammi, effulgentsia: Convert contact message entities to the new Entity Field API.
Issue #1939066 by joelpittet, chrisjlee, Cottser, splatio, jenlampton: Convert theme_breadcrumb() to Twig.
Issue #2018409 by ParisLiakos: LocaleTranslation should have its translation property initialized as array.
Issue #2017019 by valdo, amateescu, tim.plunkett: Configuration export action path is broken when Drupal is installed in a subfolder.
Issue #1934716 followup by hackwater: [Followup] Merge system.fast_404 config object into system.performance.
Issue #1981292 by aspilicious, pcambra, andypost, swentel: Drop procedural usage of fields in field_sql_storage() & field_ui() tests.
Issue #1981334 by pcambra, aspilicious, swentel, andypost: Drop procedural usage of fields in [n-r] modules.
Issue #1981342 by aspilicious, andypost, swentel: Drop procedural usage of fields in [s-u-v] modules.
Issue #2014037 by hussainweb, kgoel: Replace drupal_container() with Drupal::keyValue() in the update module.
Issue #2009690 by jeroen12345, redfoxxx.ua, InternetDevels, hussainweb: Replace theme() with drupal_render() in user module.
Issue #1981336 by aspilicious, andypost, swentel, amateescu: Drop procedural usage of fields in [t*] modules.
Issue #1981306 by aspilicious, andypost, pcambra, swentel, amateescu: Drop procedural usage of fields in [a-e] modules.
Issue #1981316 by aspilicious, andypost, pcambra, swentel: Drop procedural usage of fields in [f-l] modules.
Issue #1894644 by Wim Leers, quicksketch: Unidirectional editor configuration -> filter settings syncing.
Issue #1998192 by damiankloip, dawehner: Allow the boolean labels of exposed filters to be configurable.
Issue #1998698 by larowlan, jibran, quicksketch: Allow Dialog Controller to work with form/entity form routes.
Issue #2003814 by dasjo, pmelab, Cottser: Remove Bartik process layer functions, refactor color module alterations.
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 #1987728 by Niklas Fiekas, vijaycs85: Convert language_test_subrequest() to a new style controller.
Issue #1939090 by 2ndmile, hefox, Cottser, shanethehat, steveoliver, jenlampton, mr.baileys, derheap: Convert theme_tablesort_indicator() to Twig.