Issue #2004244 by Berdir, plach, tim.plunkett, msonnabaum, das-peter: Move entity revision, content translation, validation and field methods to ContentEntityInterface.
Issue #1952062 by vijaycs85, willyk, pfrenssen, vasi1186, CMS Dude, manningpete, penyaskito, kfritsche, Gábor Hojtsy: Remove legacy translation module in favor of content translation.
Issue #2076411 by dawehner: Fixed Remove the request scope from the current user service.
Issue #2095219 by hrmoller: Fixed incorrect params in ModuleHandlerInterface::invokeAll().
Issue #2100753 by Berdir: Fixed route_parameters break lazy-save logic in MenuLinkStorageController::save().
Issue #2000384 by yuradoc, Damien Tournoud, alexpott: Fixed php-intl module causes problems with Date and Time fields when editing Basic Page.
Issue #2090947 by Bladedu: Fixed SearchPluginManager plugin definitions aren't cached.
Revert "Fixing commit message: Change KeyValueFactory to use Settings instead of $conf"

This reverts commit 227f21b3225f1e4f933a4e85b4e298d13d32c3cf.
Issue #2098111 by chx: Fixed Change KeyValueFactory to use Settings instead of $conf.
Issue #2047997 by jlindsey15, swentel: Get rid of field_behaviors_widget().
Issue #2091411 by damiankloip, dawehner: Provide an easier mechanism for a route definition wrapped by module_exists().
Issue #2077473 by dawehner, damiankloip, pwolanin: Replace local action plugin discovery with YamlDiscovery and handle routes with parameters.
Issue #2083785 by Berdir, yched, das-peter: Add support for determining which field properties are cacheable.
Issue #2095249 by mcjim: Change description text for admin/config/system/site-information to remove 'number of posts per page'.
Issue #2095223 by pwolanin, tim.plunkett: Remove t() from LocalTaskDefault now that it's in PluginBase.
Issue #2095271 by Gábor Hojtsy, tim.plunkett, YesCT: Add default tabs for routes expected by config_translation().
Issue #1987390 by drupalninja99, mdrummond, Cottser, joelpittet, vinmassaro, azinoman, gnugeti, carsonevans, ezeedub: Aggregator.module - Convert theme_ functions to Twig.
Issue #2010118 by mgifford: Fixed Busted link in inline code .
Issue #2079315 by mondrake: Fixed Image style editing leads to redundant watchdog entries.
Issue #2002650 by mrsinguyen, chertzog, legolasbo, Erik Erskine, rhm50, sandergo90, grisendo, targoo, janstoeckler, maximpodorov, beowulf1416: Improve maintainability by removing unused local variables.