Issue #2334785 by znerol: Remove _maintenance request attribute from SpecialAttributesRouteSubscriber.
Issue #2337847 by alexpott, YesCT, martin107: The negotiated method_id does not need to be sorted on the Language or ConfigurableLanguage object.
Issue #2331079 by znerol, dawehner: Use RouteMatch in access-checks and remove RequestHelper::duplicate().
Issue #2313757 by Berdir, Wim Leers, dawehner: Remove text_processing option from text fields, expose existing string field types as plain text in UI.
Issue #2339665 by larowlan: Fixed EntityForm::submitForm docblock refers to non-existent CommentFormController.
Issue #2319177 by swentel, fago: Fixed Cron lock time limit is too short and does not prevent multiple, concurrent cron runs.
Issue #2337709 by tim.plunkett: Convert form_state_values_clean() to FormStateInterface::cleanValues().
Issue #2260457 by alexpott, beejeebus: Fixed Allow config entities to remove dependent configuration keys when dependencies are deleted due to module uninstall.
Issue #2333113 by effulgentsia, plach: Add an EntityDefinitionUpdateManager so that entity handlers can respond (e.g., by updating db schema) to code updates in a controlled way (e.g., from update.php).
Issue #2337735 by leslieg, cilefen: ConfigImporter::finish() reads 'Finalising configuration synchronisation.', is UK English.
Issue #2337591 by swentel, mikeker: Fixed Install failure on Windows: ThirdPartySettingsTrait::getThirdPartySetting not compatible with ThirdPartySettingsInterface::getThirdPartySetting error during install.
Issue #2334763 by alexpott: Tidy up of LanguageInterface - removal of setters and other unnecessary methods.
Issue #2333501 by swentel | marcvangend: Implement ThirdPartySettingsInterface in EntityView|FormDisplay.
Issue #2337833 by martin107 | YesCT: Return should not have a variable name in LanguageMangagerInterface.
Issue #2199637 by Berdir, sun, swentel: Replace "required" flag of Field module with proper dependencies.
Issue #2336443 by almaudoh: NumericItemBase uses '#type' => 'textfield' for numeric 'min' and 'max' form fields.
Issue #2334689 by er.pushpinderrana | joachim: Fixed lock_acquire() should give the character limit for the lock name.
Issue #1854284 by Berdir, mikeryan | Dave Reid: Fixed Path aliases are no longer arrays and cannot pass additional data to path hooks.
Issue #2330279 by znerol: Fixed When operating in mixed mode SSL: data from anonymous non-HTTP session is still available after login.
Issue #1182850 by xjm, Stefan Lehmann, jmcintyre, Bojhan: Remove full stops at the end of checkbox options.
Issue #2335659 by tim.plunkett, dawehner, effulgentsia, sun: Remove FormState ArrayAccess usage from core.
Issue #2336405 by tim.plunkett: Fixed Follow-up: FormStateInterface::getGroups() should return by reference.
Issue #2334405 by almaudoh, drunken monkey: Clean up documentation links to functions moved to render element classes
Issue #2318281 by tim.plunkett, dawehner | kim.pepper: Provide a standard way to check a plugin is an instance of the required interface.
Issue #2107427 by penyaskito, dclavain, Gábor Hojtsy, mashermike, Aron Novak, YesCT, szato, Wim Leers, mikispeed, vijaycs85: Fixed Regression: Language names should display in their native names in the language switcher block.
Issue #2332427 by neclimdul: Fixed APCUBackend makes incorrect assumptions about apc_fetch return type.
Issue #2320157 by moshe weitzman, Wim Leers, penyaskito, tim.plunkett: Generate placeholder content for Field types.
Issue #2256257 by znerol, cosmicdreams | YesCT: Move token seed in SessionManager in isSessionObsolete() and regenerate() to the MetadataBag.