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

Issue #2012916 by andypost, Berdir, pwieck: Implement access controller for the menu and menu link entity.

Issue #2048933 by plopesc, cconrad, pplantinga: Replace theme() with drupal_render() in update module.

Issue #2062817 by xjm: Fixed Custom block edit path is incorrect in hook_admin_paths() and the configure path is missing from the .info.

Issue #2049241 by Mark Carver, penyaskito, Gábor Hojtsy: Change notice: Add support for language options to the Twig {% trans %} tag extension.

Issue #2062755 by sergeypavlenko: Remove Unused local variable  from /core/modules/views_ui()/lib/Drupal/views_ui()/Tests/RowUITest.php.

Issue #2060823 by legolasbo: Remove Unused local variable  from /core/lib/Drupal/Core/Database/Query/Update.php.

Issue #2060817 by legolasbo: Remove Unused local variable () from /core/lib/Drupal/Core/Database/Driver/pgsql/Update.php.

Issue #2062581 by sergeypavlenko: Remove Unused local variable  from /core/modules/node/node.pages.inc.

Issue #2060811 by legolasbo: Remove Unused local variable  from /core/lib/Drupal/Core/Database/StatementPrefetch.php.

Issue #2060715 by legolasbo: Remove Unused local variable () from /core/modules/ckeditor/lib/Drupal/ckeditor/Plugin/Editor/CKEditor.php.

Issue #2060819 by legolasbo: Remove Unused local variable  from /core/lib/Drupal/Core/Database/Driver/sqlite/Connection.php.

Issue #2060821 by legolasbo: Remove Unused local variable  from /core/lib/Drupal/Core/Database/Query/Select.php.

Issue #2060815 by legolasbo: Remove Unused local variable () from /core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php.

Issue #2063055 by Gábor Hojtsy: Sync language list with translations (add fy, ga, hy, km, ms and sw).