Issue #1946324 by rootatwc: Convert confirm_form() in aggregator.admin.inc to the new form interface.

Issue #1915752 by dawehner, tim.plunkett: routes are not found when 0 is used as a placeholder value.

Issue #1839066 by Berdir, das-peter, amateescu, fago: Implement the new entity field API for the image field type.

Issue #1764474 by Berdir, chx, alexpott, pounard, msonnabaum: Make Cache interface and backends use the DIC.

Issue #1919178 by vijaycs85, YesCT, sandipmkhairnar: Create configuration schemas for language module.

Issue #1886566 by Wim Leers, sun, effulgentsia, quicksketch: Make WYSIWYG editors available for in-place editing.

Issue #1944768 by chx: Uncomment execute method on QueryAggregateInterface so it can be documented properly

Issue #1906506 by David_Rothstein,  steveoliver: Fix documentation in default.settings.php for Twig debugging

Issue #1547008 by Berdir, Sutharsan: Replace Update's cache system with the (expirable) key value store.

Issue #1942660 by larowlan, damiankloip, dawehner: Add a method to allow modules to clear the \Drupal\views\ViewsDataCache->storage during run-time.

Issue #1446382 by plach: Need a reliable way to determine if a specific bundle for an entity type is translatable.

Issue #1934964 by alexpott, Gábor Hojtsy, nevergone: Fixed Locale override subscriber should re-init context to clear caches.

Issue #1926958 by amateescu, maciej.zgadzaj, dawehner: Fixed (Regression) menu_link_save() no longer returns success/failure to calling functions.

Issue #1942154 by vijaycs85: Fixed Make OpenID module active config save format match the default yml file.

Issue #1919164 by Vikas Negi, sandipmkhairnar, vijaycs85: Create configuration schemas for field module.

Issue #1919202 by vijaycs85, pfrenssen, dsnopek: Create configuration schemas for statistics module.