Issue #2207021 by Berdir: Remove legacy PHP 5.3 code from PhpMail plugin.
Issue #2206263 by sun: Drupal_is_cli() returns FALSE on PHP CLI.
Issue #2207219 by larowlan: Fatal: Call to a member function isSubclassOf() on a non-object in CommentManager.
Issue #2151459 by jessebeach, Wim Leers, plach, amateescu, Berdir: Enable node render caching.
Issue #2200185 by BTMash, damiankloip: Router table is not cleared when modules are uninstalled.
Issue #2049209 by Cottser, dawehner, jibran, lokapujya, Manuel Garcia: Remove 'Theming information' feature from Views in favor of twig_debug.
Issue #2136503 by slashrsm: Make \Drupal\Core\Path\AliasManager storage independent.
Issue #2191903 by damiankloip: Provide a ConfigEntityNormalizer.
Issue #2092095 by tstoeckler, ParisLiakos: Remove \Drupal\Component\Utility\MapArray.
Issue #2195571 by Les Lim: Add a dedicated @RestResource annotation class.
Issue #2195585 by Les Lim: Add a dedicated @Archiver annotation class.
Issue #2204141 by sun: Remove deprecated drupal_parse_info_file().
Issue #2204151 by sun: Remove deprecated drupal_strip_dangerous_protocols().
Issue #2201919 by damiankloip: Replace drupal_get_hash_salt() with direct Settings call in CsrfTokenGenerator.
Revert "Issue #2201919 by damiankloip: Replace drupal_get_hash_salt() with direct Settings call in CsrfTokenGenerator."

This reverts commit aad87a80b1fbd3ed336f0953add5082266ee1270.
Issue #2188661 by sun, Berdir, andypost: Extension System, Part II: ExtensionDiscovery.
Issue #2201149 by sidharthap, sandipmkhairnar: Remove comment_entity_info cache deletes.
Issue #2107533 by tim.plunkett, dawehner, pwolanin, Berdir: Remove {menu_router}.
Issue #2199875 by andypost: No link to add view|form mode for entity types that have no shipped modes.
Issue #2200623 by damiankloip: Add plugin provider to default views configuration.