Issue #3229479: Entity_lookup taxonomy_term restricted by VID

src/Plugin/migrate/process/EntityLookup.php

@@ -247,7 +247,8 @@ class EntityLookup extends ProcessPluginBase implements ContainerFactoryPluginIn
     $query = $this->entityTypeManager->getStorage($this->lookupEntityType)
       ->getQuery()
       ->accessCheck($this->accessCheck)
-      ->condition($this->lookupValueKey, $value, $operator);
+      ->condition($this->lookupValueKey, $value, $operator)
+      ->condition('vid', $this->lookupTaxonomyKey);
     // Sqlite and possibly others returns data in a non-deterministic order.
     // Make it deterministic.
     if ($multiple) {