Issue #2316533 by tim.plunkett: Add getValue/setValue/hasValue and isValueEmpty to FormState.
Issue #2307419 by Wim Leers: AssetCollectionOptimizerInterface should allow listing and deleting all aggregates (optimized collection assets).
Issue #2162005 followup by Berdir: Clean up entity_reference default values once users 0 and 1 provides UUID.
Issue #2317811 by ChandeepKhosa, emma.maria: Do not print the footer container in Seven when not in use.
Issue #2316203 by olli, tim.plunkett | Charles Belov: Fixed Permission "Use the administration pages and help" grants permission to configure Image Toolkit.
Issue #2318245 by mdrummond: Add Marc Drummond as co-maintainer of Responsive Images and Breakpoint modules.
Issue #2300469 by penyaskito | dawehner: Fixed makeBackup() is called without a to parameter in Drupal\Core\Updater\Updater.
Issue #2235425 by corbacho, andypost, nod_: Fixed domready bug breaks Drupal behaviors.
Issue #2315237 by andypost, daggerhart | yched: Rename FieldDefinition to BaseFieldDefinition.
Issue #2271005 by martin107, YesCT, alimac, mrjmd: Rename Language module's LanguageInterface to ConfigurableLanguageInterface and Language to ConfigurableLanguage.
Issue #2296793 by gauravkhambhala | jhodgdon: Fixed Two Views topics need one-line summaries added.
Issue #2299677 by er.pushpinderrana, gauravkhambhala | jhodgdon: Fix up annotation-related topics a bit.
Issue #2296775 by gauravkhambhala | jhodgdon: Fixed Content Markers defgroup/topic mentions theme_mark() (nonexistent).
Issue #1792836 by damiankloip, alansaviolobo, Kars-T | tim.plunkett: Merge HandlerBase::breakPhrase() and HandlerBase::breakPhraseString() and clean up.
Issue #1963980 by joelpittet | Cottser: Convert theme_views_ui_expose_filter_form() to Twig.
Issue #2318587 by herom: Fixed "route_name" should not be marked as translatable in config schema.
Issue #2305831 by aneek, Cottser, chx, jbrown: Fixed Double escaping on /admin/modules/uninstall.
Issue #2313615 by tim.plunkett: Clarify the deprecated-ness of ArrayAccess usage in FormState.
Issue #2204325 by Arla, cbr, Berdir, benjy: Fixed The "rendered entity" formatter breaks for entity types with out a ViewBuilder.
Issue #2318099 by tim.plunkett: Replace $form_state['complete_form'] with $form_state->getCompleteForm().