Issue #1987712 by dawehner, claudiu.cristea, damiankloip, andypost: Convert file_download() to a new style controller.

Issue #2010126 by juanolalla, alweb: Replace theme() with drupal_render() in image module for theme_image_formatter().

Issue #1963986 by chrisjlee, designesse, joelpittet, waynethayer: Convert theme_views_ui_view_info() to Twig.

Issue #1589968 by cr0ss, Cottser, Pancho, DarthDrupal, Mark Carver: Move Title from process to preprocess, remove template_process_page().

Issue #2008270 by mcjim, typhonius: Remove drupal_add_css() from _drupal_maintenance_theme() — use #attached.

Issue #2028511 by damiankloip, dawehner: Allow plugin derivative classes to use services from the container.

Issue #1812048 by mikeker, Pancho, dawehner, tim.plunkett: Build the exposed form using form API functions.

Issue #2038285 by vijaycs85, Gábor Hojtsy: Update configuration schema for date formats as entities.

Issue #1843668 by Cottser, bdragon, joelpittet, gloob: Move building of breadcrumb render array from template_process_page() to template_preprocess_page().

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 #1966334 by Alan Evans, fubhy, dawehner, ParisLiakos: Convert user_access() to User::hasPermission().

Issue #1938044 by hass, jessebeach, Dragan Eror: Fixed Prefix all toolbar classes to prevent theme clashes.

Issue #2015307 by thedavidmeister, meeli, Cottser: Overhaul docs for drupal_render so they actually say what the function does and what properties it uses

Issue #1977644 by ifrik, batigolix: Update Ban module hook_help to help standards by adding link to online docs

Issue #1823204 by Chi, damiankloip, dawehner: Fixed Class 'Drupal\taxonomy\Plugin\views\filter\stdClass' not found .