Issue #1912028 by Wim Leers: Fixed CKEditorPluginManagerTest fails because plugins are discovered in slightly different order.
Issue #1905424 by Wim Leers: Update CKEditor library.
Issue #1904854 by tim.plunkett: Convert Views UI to routes.
Issue #1905362 by carsato: Skip to Main Squished to long one character line.
Issue #1890502 follow-up by Wim Leers: WYSIWYG: Add CHANGELOG.txt entry for CKEditor.
Issue #1496480 by mrf, disasm, kbasarab, pfrenssen, cam8001, typhonius, Letharion, ACF, vijaycs85, heyrocker, Berdir, alexpott: Convert file system settings to the new configuration system.
Issue #916388 by disasm, podarok, dawehner, andypost, amateescu, Dave Reid: Convert menu links into entities.
Issue #1903784 by linclark, damiankloip, effulgentsia: Move serialization to own module.
Issue #1838114 follow-up by swentel, sun: Move styling to an alter hook off of Seven theme + other clean-ups.
Issue #1894328 by Berdir, chx: Fixed user -> image upgrade is broken.
Issue #1909144 by effulgentsia: Allow #ajax['dialog'] to contain options other than 'modal'.
Issue #1908624 by jessebeach, tkoleary: Update edit modules implementation of hook_toolbar(); refresh the design to match current mockups.
Issue #1068266 by linclark, andyceo, scottrigby, chx, jbrown, ñull, weboide: Fixed drupal_mkdir() does not set permissions to directories it created recursively .
Issue #1848064 by sun, Wim Leers, bleen18, nod_, tstoeckler: Added Allow to filter modules by arbitrary search strings on the Modules page.
Issue #1879240 by tim.plunkett, dawehner: Fixed Cannot add new filter group.
Issue #1912112 by andrewmacpherson: Help module name not aligned with checkbox in module listing.
Issue #1909878 by damiankloip, tim.plunkett: Fixed statuses for cached (tempstore) views data in views_ui().
Issue #1903410 by dawehner: Fixed Wrong config key is used in template_preprocess_views_view_rss().
Issue #1605040 by TravisCarden: drupal_send_headers() ignores headers with valid but falsy values.
Issue #1803638 by vijaycs85, YesCT: Improve default language change process (ui and help text).