Issue #1963476 by widukind, joelpittet, jenlampton, tlattimore, kattekrab, siccababes, adamcowboy: Datetime.module - Convert theme_ functions to Twig.

Issue #2017769 by pplantinga, clemens.tolboom, elachlan, katbailey, longwave: Fixed Links from update_helpful_links() should point to site root and not to update.php.

Issue #1906692 by Simon Georges, jmarkel: String cleanup: make strings consistent in DefaultFetcher::fetch.

Issue #1788888 by jsacksick, David_Rothstein: Fixed Overlay at admin/modules closes on submitting the form.

Issue #1978928 by piyuesh23, InternetDevels, disasm: Convert locale_translation_manual_status() to a Controller.

Issue #1856976 by andypost, Soul88, ACF, aspilicious, vijaycs85, dawehner: Convert language_count() to the state system.

Issue #2029505 by penyaskito, YesCT, Gábor Hojtsy: Fixed Exporting translations does not correctly generate empty strings.

Issue #2031353 by pwolanin, dawehner, katbailey: Fixed URLgenerator broken for Drupal installed in a subdirectory - doesn't have a way to get a Drupal path.

Issue #1946456 by andypost, disasm: Convert taxonomy_term_confirm_delete() and taxonomy_vocabulary_confirm_delete() to the new form interface.

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.