Issue #2387981 by hussainweb: Clean-up statistics module test members - ensure property definition and use of camelCase naming convention

Issue #2381921 by tibbsa, hussainweb: Clean-up RDF module test members - ensure property definition and use of camelCase naming convention

Issue #2384167 by tibbsa: Clean-up DateTime module test members — ensure property definition and use of camelCase naming convention

Issue #2226863 by cs_shadow, filijonka, joelpittet, pguillard: Update stale references to theme functions that have been converted to Twig

Issue #2272001 by dsnopek, Devin Carlson, tim.plunkett, xjm, martin107: Views display plugin's list of handlers is not filtered by access

Issue #2387157 by dawehner, Gábor Hojtsy: Cloning display into another display also stores options that are not supported by the new display type

Issue #2359509 by Berdir: Incorrect type safe check in Entity::onUpdateBundleEntity() results too many cache clears

Issue #2358269 by Gábor Hojtsy: Migration bugs in block visibility, field overrides, cron, maintenance settings and form modes found by configuration schema checking

Issue #2248977 by Berdir: Complete support for multi-value base fields in ContentEntitySchemaHandler and use it for the user.roles field

Issue #2389697 by Wim Leers, Gábor Hojtsy: Editor settings altering not needed (and not compatible with config schema assumptions)

Issue #2387149 by Gábor Hojtsy, dawehner: Display extenders are not possible to describe with config schema

Issue #2355245 by amateescu: ER's label formatter needs to take into account that $entity->urlInfo() might throw an exception

Issue #2385111 by tadityar, Wim Leers: Bartik's CKEditor iframe stylesheet is not being loaded, hence image captions look broken

This reverts commit af831687.

Issue #2386247 by tstoeckler: install.php should pass the class loader down into install_begin_request()

Issue #2388765 by alexpott: Improve performance of SqlContentEntityStorage::countFieldData() for large datasets when getting the result as a boolean

Issue #2335879 by alexpott, dixon_, Wim Leers, chx, mauzeh, ygerasimov, jeqq: Change SqlContentEntityStorageSchema::requiresEntityDataMigration() to ask the old storage handler if it has data rather than assuming yes unless NULL storage

Issue #2388707 by damiankloip: UserAccessControlHandler has wrong $explicit_check_fields name for the password field when checking field access

Issue #2355909 by penyaskito, alexpott, Gábor Hojtsy, DuaelFr: language.settings config is not scalable

Issue #2263359 by jhodgdon: hook_help(): Top of page help sections can't link to help pages without a fatal error or checking for help module

Issue #2084987 by andypost, Jalandhar: Remove usage of field_ui_default_value and recommend proper replacement

Issue #2380607 by Berdir, dawehner: Do not call ConfigBase::validateKeys() for data loaded from storage

Issue #2387443 by alexpott, dawehner: BinaryFileResponse can fail because the core MIME guessing is not added to the MimeType singleton

Issue #2364381 by Wim Leers: Exception thrown in drupal_render() causes an exception during the rendering of exceptions