Issue #1634280 by EclipseGc, rlmumford: drupal_anonymous_user() should return a User entity.
Issue #1925930 by dawehner: Document the container variable on TestBase class
Issue #1927534 by nick_schuch, larowlan: Fix override docs on an entity block class method
Issue #1925658 by gielfeldt, mitron: Fixed Use of slaves breaks site.
Issue #1920744 by Berdir: Fixed Fatal error on aggregator/categories.
Issue #1763640 by beejeebus, alexpott, Jose Reyero, c31ck, das-peter, YesCT, heyrocker, Gábor Hojtsy: Introduce config context to make original config and different overrides accessible.
Issue #1883152 by klausi: Field level access for EntityNG.
Revert "Issue #1883152 by klausi: Field level access for EntityNG."

This reverts commit 172318fb71e5dafb24512c2c7fd415c682b2b670.
Issue #1784846 by beltofte, Floydm: Standardize capitalization on actions in operations in shortcut: 'list links', 'edit set', 'delete set', 'edit, 'delete'.
Issue #1798734 by Berdir, ACF, leschekfm, heyrocker, alexpott: Convert drupal_private_key() to the configuration system.
Issue #1927546 by alexpott, catch, Gábor Hojtsy: Fixed Langcode column added to search_index() and search_dataset() tables but there is no upgrade path.
Issue #1922814 by Berdir, Damien Tournoud, pwolanin, David_Rothstein, Heine, Bèr Kessels: Fixed Denial-of-service vulnerabiility in Image module.
Issue #1855208 by bryanbraun, jessebeach: Added Toolbar tray needs to fix to top of screen on scroll.
Issue #1855208 by bryanbraun, jessebeach: Added Toolbar tray needs to fix to top of screen on scroll.
Issue #1784812 by Floydm, beltofte, joates: Standardize capitalization on actions in language date time: 'reset'.
Issue #1850734 by klausi: Make serialization formats configurable.
Issue #1920278 by dawehner, greggles: Indicate that "administer views" and "access all views" is kind of a big deal by making it "restrict access" -> true.
Issue #1921996 by damiankloip, tim.plunkett, larowlan: Convert system_config_form() to implement FormInterface as a base class.
Issue #1925140 by tim.plunkett: Fixed drupal_form_submit() does not accept FormInterface objects.
Issue #1928202 by dawehner: Update jQuery Form to the current version (3.27).