Issue #1938044 by hass, jessebeach, Dragan Eror: Fixed Prefix all toolbar classes to prevent theme clashes.
Issue #1993202 by fubhy, h3rj4n, Pancho: Convert system_modules_uninstall() to a Controller.
Issue #1989480 by LewisNyman, rteijeiro, oresh, swentel, Gaelan: Progress Bar style update.
Issue #1966334 by Alan Evans, fubhy, dawehner, ParisLiakos: Convert user_access() to User::hasPermission().
Issue #1951278 by larowlan, tim-e: Create taxonomy term form controller for forum terms (ie not default) and use that for admin/structure/forum/edit/{forum|contain.
Issue #1843668 by Cottser, bdragon, joelpittet, gloob: Move building of breadcrumb render array from template_process_page() to template_preprocess_page().
Issue #2029405 by YesCT, vijaycs85, rahul.shinde: Write configuration schema for node types.
Issue #2035839 by vijaycs85: Fixed Align block config schema with block configuration.
Issue #2038285 by vijaycs85, Gábor Hojtsy: Update configuration schema for date formats as entities.
Issue #1812048 by mikeker, Pancho, dawehner, tim.plunkett: Build the exposed form using form API functions.
Issue #2028511 by damiankloip, dawehner: Allow plugin derivative classes to use services from the container.
Issue #2038233 by tim.plunkett: Convert TipPluginManager to extend DefaultPluginManager.
Issue #1818976 by bleen18: Fixed Several update functions incorrectly return NULL values.
Issue #2039961 by klausi: Fixed uri_field() should use uri type as value.
Issue #2029455 by vollepeer: Typo in tip for 'Full HTML'.
Issue #2044865 by Gábor Hojtsy: Fixed Picture mappings cannot be edited.
Issue #2008270 by mcjim, typhonius: Remove drupal_add_css() from _drupal_maintenance_theme() — use #attached.
Issue #1990544 by fubhy, Pancho, h3rj4n, dawehner: Convert system_modules() to a Controller.
Issue #2033413 by catch: fix file permissions, whoops.
Issue #2030551 by marcingy: Fixed PHP notice when creating new Drupal user.