Issue #3264370: function Drupal\Node\NodeForm::save() does not return a value

core/lib/Drupal/Core/Entity/ContentEntityStorageBase.php

@@ -701,9 +701,7 @@ protected function doSave($id, EntityInterface $entity) {
       $return = SAVED_NEW;
     }
     else {
-      // @todo Consider returning a different value when saving a non-default
-      //   entity revision. See https://www.drupal.org/node/2509360.
-      $return = $entity->isDefaultRevision() ? SAVED_UPDATED : FALSE;
+      $return = SAVED_UPDATED;
     }
 
     $this->populateAffectedRevisionTranslations($entity);