Issue #1957142 follow-up by dawehner, jibran: Fix a few more config() => Drupal::config() stragglers.

Issue #2015313 by tim.plunkett, Berdir, chx, niko-: Fixed Missing filters result in Exception when the format is used.

Issue #2036351 by damiankloip, dawehner, Xano:  Convert CSRF tokens to a service  is broken for skip_anonymous().

Issue #1995046 by pfrenssen, andypost, tim.plunkett: BlockListController doesn't call parent::getOperations() and so 'delete' is the default dropbutton operation.

Issue #2060405 by Wim Leers: Fixed Impossible to uninstall any module using the file usage service, because it is impossible to delete all file usages by a module.

Issue #2060813 by legolasbo: Remove Unused local variable $info from /core/lib/Drupal/Core/Database/Driver/mysql/Schema.php.

Issue #2064277 by sergeypavlenko: Remove Unused local variable $html from /core/modules/node/lib/Drupal/node/Tests/PageViewTest.php.

Issue #2064289 by sergeypavlenko: Remove Unused local variables from /core/modules/views/views.theme.inc.

Issue #2062191 by duozersk: Remove Unused local variables from EntityNG, DatabaseStorageControllerNG, and DatabaseStorageController.

Issue #2062589 by sergeypavlenko: Remove Unused local variable $key from /core/modules/node/lib/Drupal/node/NodeRenderController.php.

Issue #2062585 by sergeypavlenko: Remove Unused local variables from /core/modules/node/node.module.

Issue #2064271 by sergeypavlenko: Remove Unused local variable $node from /core/modules/node/lib/Drupal/node/Tests/NodePostSettingsTest.php.

Issue #2062519 by sergeypavlenko: Remove Unused local variable $return from /core/lib/Drupal/Core/Routing/RouteProvider.php.

Issue #2062753 by sergeypavlenko: Remove Unused local variable $id from /core/modules/node/lib/Drupal/node/Plugin/Core/Entity/Node.php.

Issue #2062241 by duozersk: Remove Unused local variable $data from /core/lib/Drupal/Core/Utility/ThemeRegistry.php.

Issue #2062237 by duozersk: Remove Unused local variable $request_method from /core/lib/Drupal/Core/EventSubscriber/RequestCloseSubscriber.php.

Issue #2062233 by duozersk: Remove Unused local variable $name from /core/lib/Drupal/Core/Extension/ModuleHandler.php.

Issue #2062225 by duozersk: Remove Unused local variable $candidates from /core/lib/Drupal/Core/Config/Entity/Query/Condition.php.

Issue #2062221 by duozersk: Fixed Remove Unused local variable $id from /core/lib/Drupal/Core/Config/Entity/ConfigStorageController.php.

Issue #2062187 by duozersk: Remove Unused local variable  from /core/lib/Drupal/Core/SystemListing.php.

Issue #2062179 by duozersk: Remove Unused local variable  from /core/modules/views_ui()/lib/Drupal/views_ui()/Tests/StyleUITest.php.

Issue #2062133 by duozersk: Remove Unused local variable  from /core/themes/engines/twig/twig.engine.

This reverts commit a567be3e.

Issue #1999448 by chertzog, aaronott, chrisjlee, daffodil_naveen, kim.pepper: Use Symfony Request for user module.

Issue #2061387 by manu4543: Remove unused local variable () from /core/modules/php/lib/Drupal/php/Plugin/Filter/Php.php.

Issue #2062127 by jlindsey15, joachim: Document system_requirements as implementation of hook_requirements

Issue #2057809 by StephaneQ, Berdir, chx, dawehner: Fix up param/return documentation in database API