Issue #2051923 follow-up by andypost: Remaining clean-up from renames.
Issue #2051923 follow-up by smiletrl: More rename clean-up.
Issue #1839318 by JohnAlbin, echoz: Added Replace drupal.base.css library with normalize.css for all themes.
Issue #2086305 by larowlan: Add a FloatItem data type.
Issue #1327224 by Berdir, ryanissamson, johnv, chris.leversuch, edb, nyirocsaba: Fixed Access denied to taxonomy term image.
Issue #1606110 by greenrover33, nod_: Fixed Exception thrown in collapse.js by .after(' ') breaks CKEditor display in term edit pages.
Issue #2087917 by damiankloip: Convert AjaxCommandsUnitTest to PHPUnit.
Issue #2087637 by mondrake: Add a drupalProcessAjaxResponse() method.
Issue #2083721 by benjy, longwave: 'block_body()' field could be renamed 'body'.
Issue #2066219 by claudiu.cristea, fietserwin: Decouple image type from image extension.
Issue #2095275 by echoz , rteijeiro: Fixed space above add content form with no overlay.
Issue #2070045 by Wim Leers: Fixed EntityAccessCheckTest should use AccessCheckInterface::ALLOW.
Issue #2091135 by sidharthap: Fixed Duplicate array key default_value() in ViewCloneFormController.
Issue #2087069 by damiankloip: Fixed Field language options do not work.
Issue #2046207 by jhedstrom, Mile23: Expand phpunit tests for \Drupal\Component\Utility\Crypt.
Issue #2062153 by chertzog, rhm50: In String Class Rename Views properties to core standards.
Issue #2100303 by Xano, dawehner, pwolanin: Fixed HEAD BROKEN: call to undefined function in ViewEditTest.php.
Issue #1751194 by Cottser, mikl, effulgentsia, benjifisher: Introduce hook_theme_suggestions_HOOK() and hook_theme_suggestions_HOOK_alter().
Issue #2062213 by duozersk: Fixed Remove Unused local variable  from /core/lib/Drupal/Core/StreamWrapper/LocalStream.php.
Issue #2080655 by chertzog: Remove Unused local variable  from /core/modules/locale/lib/Drupal/locale/Tests/LocaleConfigTranslationTest.php.