Issue #2022207 by pcambra, Berdir: Make references to User class in test docs reference UserInterface instead

Issue #1668866 by ParisLiakos, aspilicious, tim.plunkett, pdrake, g.oechsler, dawehner, Berdir, corvus_ch, damiankloip, disasm, marcingy, neclimdul: Replace drupal_goto() with RedirectResponse.

Issue #1981336 by aspilicious, andypost, swentel, amateescu: Drop procedural usage of fields in [t*] modules.

Issue #1982980 by ParisLiakos, larowlan, dawehner, tim.plunkett: Move entity_get_form() to Drupal\Core\Entity\EntityManager::getForm().

Issue #1363112 by mparker17, mgifford, tlattimore, Jacine, dcmouyard, bowersox, ry5n, ahdiaz: Simplify names of 'element-x' helper 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 #1899486 by Gábor Hojtsy, YesCT, Schnitzel, pixelite, sahain: Make link for translating content always say translate instead of translations

Issue #2002426 by rootwork, hugo.lallo, Dan Reinders: Rename Views method click_sortable() to clickSortable().

Issue #2002906 by pwieck, jibran, aaronott, chr.fritsch, chrisguindon: Rename Views method get_entity() to getEntity().

Issue #1825332 by Berdir, ParisLiakos, andypost, dawehner, jrglasgow, aspilicious: Introduce an AccountInterface to represent the current user.

Issue #1987066 by Kevin Morse, JohnAlbin, rteijeiro, echoz, ry5n: Rename files to match CSS file naming convention.

Issue #1818570 by Berdir, effulgentsia, das-peter, andypost: Convert users to the new Entity Field API.

Issue #1888424 by katbailey, steveoliver, twistor, beejeebus, effulgentsia: Change notice: Make Drupal's URL generation logic available to HttpKernel, and minimize code repetition/divergence.

Issue #1920888 by alexh58, YesCT, pmelab: Fixed Follow-up: Add some JS to make the dependent groups always checked (and readonly) when the master group is checked translatable.

This reverts commit c4e52bb6.

Issue #1965048 by olli: Fixed Frequent random test failure EntityTranslationUITest Invalid values generate a list of form errors.

Issue #1620010 by dawehner, ParisLiakos, plach, jibran: Move LANGUAGE constants to the Language class.

Issue #1977784 by YesCT, Gábor Hojtsy, EllaTheHarpy: Content language settings configuration page needs to determine what entities and bundles to include.

Issue #1981198 by yched: Change notice: More accurate names and form_ids() for Field UI form classes.

Issue #1962130 by dawehner, YesCT, tim.plunkett, CEikermann: Fixed Fatal Error: ViewUI::isTranslatable endless loop.

Issue #1913618 by tim.plunkett, amateescu: Convert EntityFormControllerInterface to extend FormInterface.

Issue #1807042 by tim.plunkett, effulgentsia: Rename entity storage/list/form/render controllers to handlers, part 1: organize existing annotation keys.

Issue #1877638 by fago, Gaelan, YesCT, das-peter, tim.plunkett, smiletrl: Rename getOriginalEntity() and remove duplicated functions from ConfigEntityBase.

Issue #1888390 by dawehner, damiankloip, tim.plunkett: Change 'human_name()' to 'label' and replace View::getHumanName() with View::label().

Issue #1833126 by micnap, mgifford, YesCT, craychee: Add more semantic representation of original language in translations UI.

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