Issue #2050883 by Cottser, tstoeckler, dawehner: Fix references to obsolete functions in code comments in views module

Issue #2031319 by jlindsey15, pplantinga, thedavidmeister, Kingdutch, Kiphaas7: Document that theme() should really be called via drupal_render().

Issue #2009662 by jlbellido, pplantinga, InternetDevels, pwieck, jenlampton: Replace theme() with drupal_render() in picture module.

Issue #2041313 by vineet.osscube: Fixed Caching issue causes 'theme not found' error when enabling theme.

Issue #1788542 by claudiu.cristea, andypost, tim-e, fubhy, speely, heyrocker: Use EntityFormController and EntityListController for image styles.

Issue #2017851 by pcambra, amateescu, Pancho: Move entity_reference_get_selection_handler() to a method on SelectionPluginManager.

Issue #2022509 by Soul88, StephaneQ, hussainweb, lslinnet, andypost, penyaskito, effulgentsia: Deprecate taxonomy_vocabulary_load_multiple() and taxonomy_term_load_multiple() in favour of entity_load_multiple().

Issue #2047475 by plopesc, yched: Fixed viewElements method contains references to  which does not exist.

Issue #2051847 by dawehner: Fixed AnnotatedClassDiscovery::getDefinitions is critically slow when viewing nodes with comments.

Issue #1860434 by jessebeach, Mark Carver, Wim Leers, droplet: Refactor the Toolbar JavaScript to use Backbone; fix several poorly functioning behaviors.

Issue #1987660 by dougvann, ygerasimov, vijaycs85, marcingy: Convert config_sync() to a new style controller.

Issue #1957346 by dawehner, olli, damiankloip, jibran, ParisLiakos: Add some settings on the block display to allow overrides on the block instance configuration.

Issue #2043781 by pwolanin: Fixed Drupal::request()->attributes->get('account') may conflict with an account object loaded from the path.

Issue #1201024 by pillarsdotnet, jbrown, tim.plunket: drupal_realpath() should describe when it should be used.

Issue #2031487 by fubhy, dawehner, pwolanin:  When replacing the upcasted values in the request attributes array, retain the original raw value too.

Issue #1843650 by Mark Carver, jenlampton, Cottser: Remove the process layer (hook_process() and hook_process_HOOK).

Issue #2048897 by Les Lim: Fixed Views Grid style: tokens not replaced in custom row/column classes.

Issue #2048833 by larowlan, andypost: Fixed Prepare cache called on field items without checking if PrepareCacheInterface is implemented.

Issue #1888698 by nagwani, hussainweb: Figure out the most used html tags and let people use it in views.

Issue #2029033 by narragansett, EllaTheHarpy, deekayen: Fix spacing and section order in Simpletest docblocks.

Issue #1973450 by AjitS, vijaycs85, yched: Provide config schema to field types and storage in number module.

Issue #2047983 follow-up by plopesc: Mark field_info_()*_types() / field_info_()*_settings() functions as deprecated.