diff -u b/core/lib/Drupal/Core/Entity/Field/FieldItemList.php b/core/lib/Drupal/Core/Entity/Field/FieldItemList.php
--- b/core/lib/Drupal/Core/Entity/Field/FieldItemList.php
+++ b/core/lib/Drupal/Core/Entity/Field/FieldItemList.php
@@ -7,6 +7,7 @@
 
 namespace Drupal\Core\Entity\Field;
 
+use Drupal\Component\Utility\NestedArray;
 use Drupal\Core\Entity\Field\FieldItemListInterface;
 use Drupal\Core\Entity\Field\FieldDefinition;
 use Drupal\Core\Session\AccountInterface;
@@ -81,7 +82,7 @@
    * {@inheritdoc}
    */
   public function getFieldDefinition() {
-    return new FieldDefinition($this->definition);
+    return new FieldDefinition(NestedArray::mergeDeep($this->getPluginDefinition(), $this->definition));
   }
 
   /**
diff -u b/core/modules/node/lib/Drupal/node/Entity/Node.php b/core/modules/node/lib/Drupal/node/Entity/Node.php
--- b/core/modules/node/lib/Drupal/node/Entity/Node.php
+++ b/core/modules/node/lib/Drupal/node/Entity/Node.php
@@ -357,9 +357,6 @@
       'settings' => array(
         'default_value' => '',
       ),
-      'property_constraints' => array(
-        'value' => array('Length' => array('max' => 255)),
-      ),
       'translatable' => TRUE,
       'default_widget' => 'node_title',
     );
diff -u b/core/modules/node/node.module b/core/modules/node/node.module
--- b/core/modules/node/node.module
+++ b/core/modules/node/node.module
@@ -640,7 +640,7 @@
 
   $uri = $node->uri();
   $variables['node_url']  = url($uri['path'], $uri['options']);
-  $variables['label'] = check_plain($node->label());
+  $variables['label'] = Drupal::service('plugin.manager.field.formatter')->viewBaseField($node->get('title'));
   $variables['page'] = $variables['view_mode'] == 'full' && node_is_page($node);
 
   // Helpful $content variable for templates.
@@ -688,7 +688,7 @@
 
   $uri = $node->uri();
   $variables['node_url']  = url($uri['path'], $uri['options']);
-  $variables['label'] = Drupal::service('plugin.manager.field.formatter')->viewBaseField($node->get('title'));
+  $variables['label'] = check_plain($node->label());
   $variables['page'] = $variables['view_mode'] == 'full' && node_is_page($node);
 
   // Helpful $content variable for templates.
only in patch2:
unchanged:
--- a/core/modules/node/lib/Drupal/node/Tests/NodeLastChangedTest.php
+++ b/core/modules/node/lib/Drupal/node/Tests/NodeLastChangedTest.php
@@ -19,7 +19,7 @@ class NodeLastChangedTest extends DrupalUnitTestBase {
    *
    * @var array
    */
-  public static $modules = array('entity', 'user', 'node', 'field');
+  public static $modules = array('entity', 'user', 'node', 'field', 'text', 'filter');
 
   public static function getInfo() {
     return array(