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

Issue #2013094 by pwieck, Cottser: Remove unnecessary template_preprocess() reference from all Twig files

Issue #1965208 by amateescu, Berdir: Convert TaxonomyTermReferenceItem to extend EntityReferenceItem.

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 #1981334 by pcambra, aspilicious, swentel, andypost: Drop procedural usage of fields in [n-r] modules.

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

Issue #2003366 by sillygwailo, Joe9, kenianbei, pcambra, heddn, YesCT, damiankloip: Rename Views method pre_render() to preRender().

Issue #1363112 by mparker17, mgifford, tlattimore, Jacine, dcmouyard, bowersox, ry5n, ahdiaz: Simplify names of 'element-x' helper classes.

Issue #1893772 by chx, fubhy, slashrsm: Move entity-type specific storage logic into entity classes.

Issue #2002344 by elvis2, heddn: Rename Views method add_where_expression() to addWhereExpression().

Issue #1817672 by jibran, dawehner, bdgreen, damiankloip: Replace db_select() with an injected database connection in views plugins.

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

Issue #1970360 by Crell, linclark, dawehner, YesCT, matt2000: Entities should define URI templates and standard links.

Issue #1960888 by jibran, dawehner, tim.plunkett, damiankloip: Fixed Default archive view uses wrong argument plugin.

Issue #2002934 by drupee, damiankloip, x.algorithm, kevin.reiss, heddn: Rename Views method validate_argument() to validateArgument().

Issue #1998140 by dawehner, ParisLiakos, tim.plunkett: Remove backward compatible ControllerInterface.

Issue #1895160 by tim.plunkett: Convert admin/content to a View, keep a non-views fallback with no bulk operations.

Issue #2003436 by Dan Reinders, heddn: Rename Views method page_display_options() to pageDisplayOptions().

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.