diff --git a/core/lib/Drupal/Core/Entity/DatabaseStorageControllerNG.php b/core/lib/Drupal/Core/Entity/DatabaseStorageControllerNG.php
index e18edbd..b89c35d 100644
--- a/core/lib/Drupal/Core/Entity/DatabaseStorageControllerNG.php
+++ b/core/lib/Drupal/Core/Entity/DatabaseStorageControllerNG.php
@@ -109,7 +109,7 @@ public function create(array $values) {
     // Assign a new UUID if there is none yet.
     if ($this->uuidKey && !isset($entity->{$this->uuidKey}->value)) {
       $uuid = new Uuid();
-      $entity->{$this->uuidKey}->value = $uuid->generate();
+      $entity->{$this->uuidKey} = $uuid->generate();
     }
 
     // Modules might need to add or change the data initially held by the new
diff --git a/core/lib/Drupal/Core/Entity/Field/Type/Field.php b/core/lib/Drupal/Core/Entity/Field/Type/Field.php
index 8c5451a..5d0a4ff 100644
--- a/core/lib/Drupal/Core/Entity/Field/Type/Field.php
+++ b/core/lib/Drupal/Core/Entity/Field/Type/Field.php
@@ -94,7 +94,7 @@ public function setValue($values, $notify = TRUE) {
           $this->list[$delta] = $this->createItem($delta, $value);
         }
         else {
-          $this->list[$delta]->setValue($value);
+          $this->list[$delta]->setValue($value, FALSE);
         }
       }
     }
diff --git a/core/lib/Drupal/Core/TypedData/Type/Language.php b/core/lib/Drupal/Core/TypedData/Type/Language.php
index 0127314..dd01371 100644
--- a/core/lib/Drupal/Core/TypedData/Type/Language.php
+++ b/core/lib/Drupal/Core/TypedData/Type/Language.php
@@ -62,7 +62,9 @@ public function setValue($value, $notify = TRUE) {
     }
     // Update the 'langcode source' property, if given.
     if (!empty($this->definition['settings']['langcode source'])) {
-      $this->parent->__set($this->definition['settings']['langcode source'], $value);
+      if ($notify) {
+        $this->parent->__set($this->definition['settings']['langcode source'], $value);
+      }
     }
     else {
       // Notify the parent of any changes to be made.
diff --git a/core/modules/node/lib/Drupal/node/Plugin/Core/Entity/Node.php b/core/modules/node/lib/Drupal/node/Plugin/Core/Entity/Node.php
index c4d8109..c8fa146 100644
--- a/core/modules/node/lib/Drupal/node/Plugin/Core/Entity/Node.php
+++ b/core/modules/node/lib/Drupal/node/Plugin/Core/Entity/Node.php
@@ -185,6 +185,13 @@ class Node extends EntityNG implements ContentEntityInterface {
   public $revision_uid;
 
   /**
+   * The node revision log message.
+   *
+   * @var \Drupal\Core\Entity\Field\FieldInterface
+   */
+  public $log;
+
+  /**
    * Overrides \Drupal\Core\Entity\EntityNG::init().
    */
   protected function init() {