Issue #3129560 by rik-dev, daffie: Remove for PostgreSQL database driver the workaround for the Upsert class

Issue #3152415 by Lal_, rik-dev, Matroskeen, daffie: Bracket-encapsulated field names for static queries in core/lib/Drupal/Core

Issue #3151091 by dww, rik-dev, alexpott: Replace use of whitelist/blacklist in \Drupal\Component\Utility\Xss and its test and core/lib/Drupal/Core/Render/theme.api.php

Issue #3151087 by rik-dev, dww, alexpott, Matroskeen: Replace use of whitelist/blacklist in file_munge_filename() and its tests