Issue #2152201 by Salah Messaoud, Manuel Garcia, steveoliver, joelpittet, burgerboydaddy, katy5289, hussainweb, shanethehat, jenlampton, kpa, AnythonyR, EVIIILJ, kgoel, Cottser, dsdeiz, hanpersand: Convert theme_checkboxes() to Twig

Issue #214760 by Jalandhar, lokapujya, dcam, naquah: Theme name in block admin shows HTML entities: excessive check_plain().

Issue #2229157 by cwells, LewisNyman, tompagabor: Add correct button types to account settings forms.

Issue #2156661 by Jalandhar, jsbalsera, ianthomas_uk, sidharthap, jhodgdon: Search admin menu entry uses "settings" -- UI-text standards violation.

Issue #2239255 by cs_shadow, ivanjaros: Action variable is defined twice in BulkForm::viewsFormSubmit.

Issue #2231495 by ACF, andrei.dincu: Array to string conversion error when trying to add a new user.

Issue #1987848 by disasm, ocsilalala, kim.pepper, pwieck, Cottser, pratik60, h3rj4n, pfrenssen, InternetDevels, ParisLiakos, rgoodine, tlyngej, vijaycs85, robeano: Convert system_theme_default() to a new style controller.

Issue #1167248 by Berdir, damiankloip, Alan Evans, beejeebus, catch: Add CacheBackendInterface::setMultiple().

Issue #2238651 by chx: LocaleStringTest is incorrectly asserting source strings instead of translations.

Issue #2151699 by jsbalsera: Move #access responsibility from formatters/widgets to EntityViewDisplay/EntityFormDisplay.

Issue #2101119 by Xano, tim.plunkett: Convert Filter routes to use entity access instead of permissions.

Issue #2225473 by mcjim: Move database fakes out of migrate module so they can be used in non-migrate tests.

Issue #2147689 by Xano: [regression] Support route parameters for *info.yml files' configure route name.

Issue #2147291 by tim.plunkett, martin107, tkuldeep17, agentrickard: Node_access_grants should always be passed an account.

Issue #610076 by fietserwin, yingtho, te-brian, mikeryan, Dave Cohen: Add a primary key to the {taxonomy_index} table and prevent duplicates being inserted.

Issue #2233337 by znerol: Impossible to specify per-bin cache backend service from within settings.php.

Issue #2233337 by znerol: Impossible to specify per-bin cache backend service from within settings.php.

Issue #2236553 by xjm, dags, Gaelan, alexpott: Config import validation needs to be able to list multiple issues and the messages should be translatable.

Issue #2161591 by pwolanin, beejeebus, sun: Change default active config from file storage to DB storage.

Issue #2239407 by holly.ross.drupal, YesCT, tstoeckler, alimac: Language manager interface should not specify implementation details for getLanguages on the interface.

Wrong commit credit.

This reverts commit 0a93d9a1.

This reverts commit 07f63fe6.

Issue #2227869 by joelpittet: Remove magic printing from Attribute class to make Twig 'without' filter work for attributes.