Issue #2050815 by xjm: Update XML-RPC entry for 8.x in MAINTAINERS.txt.
Issue #2035315 follow-up by swentel: [Follow up] Add a dedicated @FieldWidget annotation.
Issue #2057173 by xjm: Add Mark Carver to MAINTAINERS.txt for the Color module.
Issue #2054699 by pcambra: Ensure config entity id is set for computed composite ids.
Issue #2057137 by legolasbo: Remove Unused local variable $user from /core/modules/user/user.module.
Issue #2057019 by janstoeckler: Remove Unused local variable $string from /core/modules/locale/lib/Drupal/locale/LocaleConfigManager.php.
Issue #2022897 by dawehner, sdboyer, tim.plunkett: Shift responsibility for creating unique config id/machine name off of (views) block plugins and onto BlockFormController.
Issue #2039091 by ghazlewood: Fixed drupal_bootstrap() docs are missing phases.
Issue #2056943 by alexpott, damiankloip: Convert render_link() to renderLink.
Issue #2009018 follow-up by StephaneQ: One more replace theme() with drupal_render() in filter module.
Issue #2056893 by pwolanin: Fixed Typo in doxygen for module_exists().
Issue #2009014 follow-up by StephaneQ: Replace one more theme() with drupal_render() in file module.
Issue #2027131 by drupalrv: Block type operations should be listed in the same order as Content type operations.
Issue #2056895 by tim.plunkett, xjm: Fixed Routes with optional placeholders can fatal when placed in a menu.
Issue #2010126 follow-up by Eric_A: Replace theme() with drupal_render() in image module for theme_image_formatter().
Issue #2057445 by alexpott: Fixed file wrong file perms introduced by 2056415 and 2056417.
Revert "Issue #2009014 follow-up by StephaneQ: Replace one more theme() with drupal_render() in file module."

This reverts commit f4aead78052e4b6684dc5338bd29bd8351bf6d6c.
Issue #2009014 follow-up by StephaneQ: Replace one more theme() with drupal_render() in file module.
Issue #2057317 by echoz: Cleanup recently patched qualified selector css.
Issue #2053731 by StephaneQ: Replace theme() with drupal_render() in editor.