Issue #2256023 by olli, Gábor Hojtsy, estoyausente, adci_contributor: Content translation operation is only available for nodes, not other entity types such as custom blocks

Issue #2384481 follow-up by larowlan: [HEAD BROKEN] Fix references to node type properties in Seven theme.

Issue #2033983 by balagan, YesCT: Improve code organization in LanguageNegotiator::updateConfiguration()

Issue #2405465 by alexpott: Remove dead and unnecessary procedural wrappers in content_translation module

Issue #2030571 by calebtr, daffie, filijonka, YesCT, Thomas Brekelmans, alexpott, Mile23, tadityar, Sharique, tim.plunkett, boztek: Expand Block with methods

Issue #2392361 by emma.maria, ruscoe, vermario: Bartik theme: “triptych” and footer-columns classes added to body but never used in CSS

Issue #2023091 by djevans, badrange: Drupal does not allow W3C compliant language codes where you target a numeric region

Issue #2172017 by dawehner, larowlan, MegaChriz, kim.pepper, Désiré, Sam Hermans, tim.plunkett, Antti J. Salminen: Bulk operations does not respect entity access

Issue #2388125 by alexpott: testGetBaseTable is supposed to test that the storage falls back to the entity type ID

Issue #2377117 by mglaman, rpayanm, pcambra: Replace all instances of entity_load('field_storage_config') and entity_load_multiple('field_storage_config') with static method calls

Issue #2402827 by kgoel: Extract ViewUnitTestBase and ViewTestBase::assertIdenti* methods into a trait

Issue #2329753 by lauriii, davidhernandez, LewisNyman, nathandao: Move html classes from preprocess to templates

Issue #2303761 by tadityar, tim.plunkett, guntervs, jessi_pantheon, er.pushpinderrana, amitgoyal, rpayanm: Move views_ajax_form_wrapper() to ViewsFormBase

Issue #2318237 by Gábor Hojtsy, bserem, no_angel, Wim Leers: CKEditor translates its user interface even if interface translation is turned off

Issue #2395825 by emma.maria, jennyOlsen, DickJohnson: Remove closing tag comments in template files

Issue #2384481 by rpayanm, daffie, tadityar, hussainweb, areke, claudiu.cristea: Make the class variables protected for NodeType