Issue #1998228 by ParisLiakos, dawehner: Remove hook_menu_site_status_alter() in favor of request listeners.

Issue #1968996 by yched, swentel, xjm: Add protected saveNew() and saveUpdated() methods to Field and FieldInstance to improve code readability.

Issue #2000006 by ACF, juampy: Convert _file_test_form() to the new form interface and convert route.

Issue #1967112 followup by David_Rothstein, dawehner: HTML 5 validation breaks the cancel button in Views UI dialogs.

Issue #1933518 by ACF, pwolanin, mparker17: Convert search's system_config_form() to SystemConfigFormBase.

Issue #2009584 by rteijeiro, ry5n: Fixed Allow double underscores to pass through drupal_clean_css_identifier() as per new CSS standards.

Issue #1950634 by Wim Leers: Fatal error when creating a new text format with a text editor while JS is disabled.

Issue #2002390 by x.algorithm, nathangervais, chrisguindon, suhel.rangnekar: Rename Views method build_sort_post() to buildSortPost().

Issue #2003468 by toddtomlinson, Maxis: Rename Views method default_display_filters() to defaultDisplayFilters().

Issue #2002426 by rootwork, hugo.lallo, Dan Reinders: Rename Views method click_sortable() to clickSortable().

Issue #2002906 by pwieck, jibran, aaronott, chr.fritsch, chrisguindon: Rename Views method get_entity() to getEntity().

Issue #1970360 by Crell, linclark, dawehner, YesCT, matt2000: Entities should define URI templates and standard links.

Issue #2003556 by nathangervais, baldwinlouie, Dan Reinders: Rename Views method op_empty() to opEmpty().

Issue #2001320 by zschmid, chrisguindon, pwieck, chertzog: Rename Views method add_groupby() to addGroupBy().

Issue #2002468 by mikedotexe, Frederico, Dan Reinders: Rename Views method element_classes() to elementClasses().

Issue #2004408 followup by tim.plunkett: Random failure: Allow modules to alter the result of EntityListController::getOperations.

This reverts commit 0f480b9e.

This reverts commit 2db9d595.

Issue #1986802 by yched: Rename PluginInspectionInterface::getDefinition() to getPluginDefinition().

Issue #2004408 by YesCT, penyaskito: Allow modules to alter the result of EntityListController::getOperations.

Issue #1972514 by Wim Leers, effulgentsia, Gábor Hojtsy, ekl1773: Fixed Impossible to set attributes for all entities.

Issue #2002506 by pcambra, JoshuaRogers: Fixed Rearranging fields and sorts causes existing items to be removed.

Issue #1953414 by swentel, andypost: Move logic of field_read_fields() and field_read_instances() to the storage controller.

Issue #1960888 by jibran, dawehner, tim.plunkett, damiankloip: Fixed Default archive view uses wrong argument plugin.