Issue #3436645: Fixing outdated entities issue after update to version 1.11

Closes #3436645

src/EntityReferenceRevisionsFieldItemList.php

@@ -19,12 +19,36 @@ class EntityReferenceRevisionsFieldItemList extends EntityReferenceFieldItemList
    * {@inheritdoc}
    */
   public function referencedEntities() {
-    $target_entities = [];
+    if ($this->isEmpty()) {
+      return [];
+    }
+
+    // Collect the IDs of existing entities to load, and directly grab the
+    // "autocreate" entities that are already populated in $item->entity.
+    $target_entities = $ids = [];
     foreach ($this->list as $delta => $item) {
-      if ($item->entity) {
+      if ($item->hasNewEntity()) {
         $target_entities[$delta] = $item->entity;
       }
+      elseif ($item->target_id !== NULL) {
+        $ids[$delta] = $item->target_revision_id;
+      }
+    }
+
+    // Load and add the existing entities.
+    if ($ids) {
+      $target_type = $this->getFieldDefinition()->getSetting('target_type');
+      $storage = \Drupal::entityTypeManager()->getStorage($target_type);
+      foreach ($ids as $delta => $target_id) {
+        $entity = $storage->loadRevision($target_id);
+        if ($entity) {
+          $target_entities[$delta] = $entity;
+        }
+      }
+      // Ensure the returned array is ordered by deltas.
+      ksort($target_entities);
     }
+
     return $target_entities;
   }