diff --git a/core/lib/Drupal/Core/Entity/EntityNG.php b/core/lib/Drupal/Core/Entity/EntityNG.php
index 4340882..f1b4979 100644
--- a/core/lib/Drupal/Core/Entity/EntityNG.php
+++ b/core/lib/Drupal/Core/Entity/EntityNG.php
@@ -530,4 +530,23 @@ public function label($langcode = NULL) {
     return $label;
   }
 
+  /**
+   * Overrides Entity::isNewRevision().
+   */
+  public function isNewRevision() {
+    $info = $this->entityInfo();
+    return $this->newRevision->value || (!empty($info['entity_keys']['revision']) && !$this->getRevisionId());
+  }
+
+  /**
+   * Overrides Entity::isDefaultRevision().
+   */
+  public function isDefaultRevision($new_value = NULL) {
+    $return = $this->isDefaultRevision->value;
+    if (isset($new_value)) {
+      $this->isDefaultRevision = (bool) $new_value;
+    }
+    return $return;
+  }
+
 }
diff --git a/core/modules/node/lib/Drupal/node/NodeStorageController.php b/core/modules/node/lib/Drupal/node/NodeStorageController.php
index a4a758d..31f9f32 100644
--- a/core/modules/node/lib/Drupal/node/NodeStorageController.php
+++ b/core/modules/node/lib/Drupal/node/NodeStorageController.php
@@ -313,6 +313,11 @@ public function baseFieldDefinitions() {
       'settings' => array('target_type' => 'user'),
       'queryable' => FALSE,
     );
+    $properties['log'] = array(
+      'label' => t('Log'),
+      'description' => t('The log entry explaining the changes in this version.'),
+      'type' => 'text_field',
+    );
     return $properties;
   }
 
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 9a43fae..35beff1 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
@@ -214,6 +214,7 @@ protected function init() {
     unset($this->translate);
     unset($this->revision_timestamp);
     unset($this->revision_uid);
+    unset($this->log);
   }
 
   /**
diff --git a/core/modules/node/lib/Drupal/node/Tests/NodeRevisionsAllTestCase.php b/core/modules/node/lib/Drupal/node/Tests/NodeRevisionsAllTestCase.php
index 655c4c1..4703d11 100644
--- a/core/modules/node/lib/Drupal/node/Tests/NodeRevisionsAllTestCase.php
+++ b/core/modules/node/lib/Drupal/node/Tests/NodeRevisionsAllTestCase.php
@@ -48,18 +48,24 @@ function setUp() {
     $logs = array();
 
     // Get the original node.
-    $nodes[] = $node;
+    $nodes[] = clone $node;
 
     // Create three revisions.
     $revision_count = 3;
     for ($i = 0; $i < $revision_count; $i++) {
-      $logs[] = $settings['log'] = $this->randomName(32);
+      $logs[] = $node->log = $this->randomName(32);
 
       // Create revision with a random title and body and update variables.
-      $this->drupalCreateNode($settings);
+      $node->title = $this->randomName();
+      $node->body[$node->language()->langcode][0] = array(
+        'value' => $this->randomName(32),
+        'format' => filter_default_format(),
+      );
+      $node->setNewRevision();
+      $node->save();
+
       $node = node_load($node->nid); // Make sure we get revision information.
-      $settings = get_object_vars($node);
-      $nodes[] = $node;
+      $nodes[] = clone $node;
     }
 
     $this->nodes = $nodes;
@@ -110,7 +116,7 @@ function testRevisions() {
         '%revision-date' => format_date($nodes[1]->revision_timestamp)
       )),
       'Revision reverted.');
-    $reverted_node = node_load($node->nid);
+    $reverted_node = node_load($node->nid, TRUE);
     $this->assertTrue(($nodes[1]->body[LANGUAGE_NOT_SPECIFIED][0]['value'] == $reverted_node->body[LANGUAGE_NOT_SPECIFIED][0]['value']), t('Node reverted correctly.'));
 
     // Confirm that this is not the current version.