Issue #2168333 by tim.plunkett, EclipseGc, yched, fago: Ensure custom EntityType controllers can be provided by modules.

Issue #2005716 by tim.plunkett, msonnabaum, dawehner, alexpott, effulgentsia: Promote EntityType to a domain object.

Issue #1876906 by babruix, mikemiles86, tarekdj, janip, jhodgdon: Implement hook_help() for views_ui.module.

Issue #2081193 by mrsinguyen: Remove Unused local variable  from /core/modules/views_ui/views_ui.module.

Issue #2135787 by amateescu, Gábor Hojtsy, YesCT: Move static config entity local tasks to local_tasks().yml.

Issue #2133469 by tim.plunkett, damiankloip, dawehner: Replace path-based entity links with route names.

Issue #2084463 by dawehner, pwolanin, David_Rothstein, tim.plunkett, Xano: Convert contextual links to a plugin system similar to local tasks/actions.

Issue #2102125 by dawehner, tim.plunkett, neclimdul, pwolanin, YesCT, damiankloip, Tim Bozeman: Big Local Task Conversion.

Issue #1851414 by nod_, quicksketch, frega, dawehner, damiankloip: Convert Views to use the abstracted dialog modal.

Issue #2049207 by dlu, blakehall, janstoeckler, ramlev, Moderate | Cottser: Replace .tpl.php with .html.twig in documentation.

Issue #2077473 by dawehner, damiankloip, pwolanin: Replace local action plugin discovery with YamlDiscovery and handle routes with parameters.

Issue #1981368 by tim.plunkett, Crell, webchick: Convert all routes to 'module_name().foo_bar()' naming convention.

Issue #1918648 by mr.baileys, chrisjlee, steveoliver, joelpittet, jenlampton, Cottser: Convert theme_views_ui_style_plugin_table() to Twig .

Issue #1915026 by steveoliver, 2ndmile, damiankloip, echeese, eromero1, joelpittet, rvilar, waynethayer, Hydra, drupalninja99, dsdeiz: Convert theme_views_ui_container() to Twig.

Issue #1963986 by chrisjlee, designesse, joelpittet, waynethayer: Convert theme_views_ui_view_info() to Twig.

Issue #2031473 by pwolanin, fubhy, dawehner, tim.plunkett: Convert menu local actions to plugins so that we can generate dynamic titles and paths.

Issue #1963988 by joelpittet, Gaelan, chrisjlee: Convert theme_views_ui_view_preview_section() to Twig.

Issue #2014049 by kgoel | DmitryDrozdik: Replace drupal_container() with Drupal::service() in the views_ui() module.

Issue #2012882 by damiankloip, dawehner: Move getDisplaysList() out of View storage class to ViewListController.

Issue #2006636 by tim.plunkett: Fixed menu_contextual_links() will always return a link to the MENU_DEFAULT_LOCAL_TASK, never the parent.

Issue #1968020 by damiankloip, dawehner: Convert ReorderDisplays to use table rendering and remove theme function.

Issue #1843744 by joelpittet, kgoel, Hydra, tsi, chrisjlee, shanethehat, jenlampton, mr.baileys, Cottser, socketwench: Convert views/templates/views-view.tpl.php to twig .

Issue #914382 by Wim Leers, Cottser, Gábor Hojtsy, franz, droplet, sun, Niklas Fiekas, catch, dawehner, effulgentsia: Fixed Contextual links incompatible with render cache.

Issue #1981312 by tim.plunkett, dawehner: Move views_ui() code out of the View entity type annotation.

Issue #1919700 by damiankloip, tim.plunkett: Replace views_ui_cache_set() with a method on the ViewUI object.

Issue #1820414 by damiankloip, tim.plunkett, xjm: Move views_ui().module directly into /core/modules/.

Issue #1877376 by damiankloip, dawehner, Bojhan: Change notice: Improve Views UI text for the contextual links display setting.

Issue #1929064 by andypost: Followup: Refactor views_ui_rearrange_form() to remove theme function for table render.

Issue #1963976 by shanethehat, Cottser: Remove theme_views_tab() and theme_views_tabset() declarations from views_ui_theme().

A little bit too much...

This reverts commit aab7094c.