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 #1912028 by Wim Leers: Fixed CKEditorPluginManagerTest fails because plugins are discovered in slightly different order.

Issue #1890502 by Wim Leers, quicksketch, jessebeach, nod_, sun, effulgentsia: Added CKEditor module to core.

Issue #1899994 by katbailey, plach, YesCT: Fixed Disentangle language initialization from path resolution.

Issue #1860026 by aspilicious, David_Rothstein, katbailey, rootatwc: Remove hook_exit() for cached page requests, and decide between it and the onTerminate eventotherwise.

Issue #1869124 by Les Lim, damiankloip: Added Customizable 'true'/'false' Views output for booleans.

Issue #1882538 by dawehner: Fixed Let's provide a non-broken hook menu implementation on the plugin base.

Issue #1893818 by Berdir, tim.plunkett, sun: Fixed Plugin discovery caches of blocks are not cleared for all languages.

Issue #1903176 by tim.plunkett: Add a drupal_build_form() helper for using a method as the callback.

Issue #1798214 by tnightingale, g.oechsler, fubhy, katbailey, effulgentsia, Crell, dipen chaudhary: Upcast request arguments/attributes to full objects.

Issue #1906358 by dawehner: Fixed RouteProvider::getRouteByName() / RouteProvider::getRouteByNames() aren't working due to multiple reasons.

Issue #1461732 by filijonka, marcingy, Cottser, udaksh, swentel: Fixed PHP error while publishing comment.

Issue #1811982 by dawehner, damiankloip: Remove ui preview logic viewExecuteable::render() and move it to viewUI.

Issue #1876546 by plopesc: node_type_form_validate() and node_type_form_submit() pointlessly trim machine name value.

Issue #78292 by BrockBoland, chx, Traverus, thoufek, patrickd, sun: Fixed Select element with empty options triggers PHP warning.