Issue #2015999 followup by effulgentsia: Fields cannot be used as the row style on style plugins that support it.
Issue #1992606 by damiankloip, pwieck: Convert system_theme_settings() to FormInterface.
Issue #1962234 by dawehner, damiankloip, alexpott: Move views_fetch_fields() into an autoloadable class.
Issue #2022233 by StephaneQ: Installer is missing spaces between step titles and status.
Issue #1828536 by sun, thedavidmeister, benjf, derek.deraps, jenlampton, dcam, pwieck: Rename 'type' variable of theme_item_list() to 'list_type'.
Issue #2023095 by damiankloip: Convert Drupal\views\Tests\PluginBaseTest to PHPUnit.
Issue #2022087 followup by damiankloip: Add module owner to plugin definition in AnnotatedClassDiscovery.
Issue #1963764 by widukind, pwieck: Convert theme_views_view_mapping_test() to Twig.
Issue #2022415 by bdone: Convert custom_block_type_delete_form() to a Controller.