Issue #2160933 by TR: NoHelpTest is faulty.
Issue #2176265 by tim.plunkett, donquixote: Set an explicit ["config"]["autoloader-suffix"] in composer.json to avoid noise on composer update.
Issue #2183887 by tim.plunkett: Remove Drupal::setContainer from LocalActionDefaultTest.
Issue #2187097 by dawehner, tim.plunkett: Add a request_stack service and use it for the http kernel.
Issue #2175415 by swentel, tim.plunkett, jibran, larowlan: Add FieldTypePluginManagerInterface.
Issue #1857442 by longwave, dawehner: Make $values optional on entity_create.
Issue #2188991 by tim.plunkett: Use ThemeHandler instead of list_themes() in unit tests.
Issue #2035725 by webflo, sivaji, Xano: Remove visibility__active_tab from block.schema.yml.
Issue #2100467 by amateescu, corvus_ch: Menu links are not ready to use a view builder so remove it from the annotation for now.