Issue #1810394 by hchonov, plach, YesCT, David Hernández, Schnitzel, vijaycs85, penyaskito, tstoeckler, alexpott, Gábor Hojtsy: Site configuration with domain based language negotiation results in redirecting authenticated users to a different domain when accessing a content entity route for translation language different from the interface language

Issue #2549393 by alexpott, dawehner, lauriii, andypost, xjm: Remove SafeMarkup::escape() and rely more on Twig autoescaping

Issue #2453175 by tim.plunkett, plach, rteijeiro, effulgentsia, eshta, dawehner, fago, Berdir, alexpott: Remove EntityFormInterface::validate() and stop using button-level validation by default in entity forms

Issue #2472621 by hchonov, plach: Translatable entity 'created' and 'uid' fields not initialized properly during content translation 'Add'

Issue #2395831 by dawehner, fago, martin107, cafuego, YesCT, plach, jibran, larowlan, Wim Leers, effulgentsia, klausi: Entity forms skip validation of fields that are not in the EntityFormDisplay

Issue #2486177 by disasm, amateescu, plach, Pere Orga, piyuesh23, webchick, Saphyel, dawehner, jibran, YesCT, yched, xjm, Gábor Hojtsy, Bojhan: Deleting an entity translation from the UI deletes the whole entity

Issue #2428703 by Wim Leers: Add a 'user.permissions' cache context (was: "Should cache contexts be able to associate a cache tag?")

Issue #2394951 by subhojit777, cilefen, Gábor Hojtsy, Kristen Pol, jhodgdon: Page title escaped with HTML markup when editing content translation

Issue #1916790 by plach, YesCT, penyaskito, Gábor Hojtsy, das-peter, herom, larowlan: Convert translation metadata into regular entity fields

Revert "Issue #1916790 by plach, YesCT, penyaskito, Gábor Hojtsy, das-peter, herom, larowlan: Convert translation metadata into regular entity fields"

This reverts commit 920382d4.

Issue #1916790 by plach, YesCT, penyaskito, Gábor Hojtsy, das-peter, herom, larowlan: Convert translation metadata into regular entity fields

Issue #2328293 by keopx, JeroenT, ianthomas_uk, ashutoshsngh, rpayanm, hudo, a_thakur: Remove usage of language_list()

Issue #2143729 by tstoeckler, plach, jsbalsera, Berdir, mauzeh, damiankloip, andypost: Entity definitions miss a language entity key

Issue #2230637 by plach, fran seva, yched, swentel: Create a Language field widget and the related formatter

Issue #1833076 by herom, alansaviolobo, Pancho, pixelite, jessehs, YesCT: Expand translation settings when editing outdated translation so remember to uncheck "needs updating".

Issue #2341341 by YesCT, martin107, vijaycs85, fran seva: Change public 'name' property access on languages to getName() and add back setName().

Issue #2340667 by YesCT, Pedro Lozano, alexpott, martin107: Protect Drupal\Core\Language\Language::id, and use getId().

Issue #2335659 by tim.plunkett, dawehner, effulgentsia, sun: Remove FormState ArrayAccess usage from core.

Issue #2313931 by Berdir: Merge ['controller'] with ['build_info']['callback_object'] and add a method for it.

Issue #1987882 by disasm, vijaycs85, penyaskito, kim.pepper, likin, YesCT, InternetDevels, dawehner, wamilton, Letharion, katbailey, googletorp, tim.plunkett, acrollet, neetu morwani: Convert content_translation routes to a new style controller.

Issue #2154435 by andypost, Berdir, mparker17: Rename EntityAccessController to EntityAccessControlHandler.

Issue #2061977 by InternetDevels, kim.pepper, ianthomas_uk, herom, rhm50, naveenvalecha, andypost,  mandar.harkare, sergeypavlenko, sidharthap, SIz, tkuldeep17: Replace user_access() calls with ->hasPermission() in all core modules except user.

Revert "Issue #2061977 by InternetDevels, kim.pepper, ianthomas_uk, herom: Replace user_access() calls with ->hasPermission() in all core modules except user."

Fixing commit credit.

This reverts commit 25afa810.

Issue #2061977 by InternetDevels, kim.pepper, ianthomas_uk, herom: Replace user_access() calls with ->hasPermission() in all core modules except user.

Issue #2246665 by jaredsmith, martin107, YesCT, filijonka, tstoeckler: Typehint with Drupal\Core\Language\LanguageInterface instead Drupal\Core\Language\Language.

Issue #2227973 by pfrenssen, Berdir: Rename ContentTranslationController to ContentTranslationHandler.

Issue #2111887 by Gábor Hojtsy, kfritsche, vasi1186, dclavain, YesCT, segi: Regression: Only title (of base fields) on nodes is marked as translatable.

Issue #2191655 by Berdir: Type hint $entity_type everywhere it is an instance of EntityTypeInterface.