Issue #2061977 by InternetDevels, kim.pepper, ianthomas_uk, herom: Replace user_access() calls with ->hasPermission() in all core modules except user.
Issue #2301493 by alexpott: Fixed Typehint Drupal\file\File is does not exist.
Issue #2286923 by cs_shadow, alayham: Fixed views_ui dropbuttons are not RTL friendly.
Issue #2301599 by Cottser, mparker17: Fixed Regression: Bartik's field--taxonomy-term-reference.html.twig doesn't properly output label attributes.
Issue #2300857 by joshi.rohit100: Remove lock() method from bootstrap.inc as deprecated.
Issue #2299691 by er.pushpinderrana, jhodgdon: Some topics should be removed.
Issue #2300831 by joshi.rohit100: Remove module_exists() as it is deprecated.