.../Entity/Controller/EntityViewController.php     | 36 ++++++++++++++++------
 1 file changed, 26 insertions(+), 10 deletions(-)

diff --git a/core/lib/Drupal/Core/Entity/Controller/EntityViewController.php b/core/lib/Drupal/Core/Entity/Controller/EntityViewController.php
index c0e5b7a..e1dbcd7 100644
--- a/core/lib/Drupal/Core/Entity/Controller/EntityViewController.php
+++ b/core/lib/Drupal/Core/Entity/Controller/EntityViewController.php
@@ -64,6 +64,29 @@ public static function create(ContainerInterface $container) {
     );
   }
 
+
+  /**
+   * Pre-render callback to execute pre-render callbacks of the 'entity' child.
+   *
+   * Necessary for ::buildTitle() to work.
+   *
+   * @param array $page
+   *   A page render array.
+   *
+   * @return array
+   *   The changed page render array.
+   */
+  public function preRenderEntityChild(array $page) {
+    $this->controllerResolver = \Drupal::service('controller_resolver');
+    foreach ($page['entity']['#pre_render'] as $callable) {
+      if (is_string($callable) && strpos($callable, '::') === FALSE) {
+        $callable = $this->controllerResolver->getControllerFromDefinition($callable);
+      }
+      $page['entity'] = call_user_func($callable, $page['entity']);
+    }
+    return $page;
+  }
+
   /**
    * Pre-render callback to build the page title.
    *
@@ -84,16 +107,8 @@ public function buildTitle(array $page) {
     // correctly (e.g. RDFa, in-place editing).
     if ($entity instanceof FieldableEntityInterface) {
       $label_field = $entity->getEntityType()->getKey('label');
-      $view_mode = isset($entity_output['#view_mode']) ? $entity_output['#view_mode'] : 'full';
-      $displays = EntityViewDisplay::collectRenderDisplays([$entity], $view_mode);
-      /** @var \Drupal\Core\Entity\Entity\EntityViewDisplay $display */
-      $display = array_values($displays)[0];
-      if ($component = $display->getComponent($label_field)) {
-        $field_build = $this->entityManager
-          ->getViewBuilder($entity->getEntityTypeId())
-          ->viewField($entity->{$label_field}, $component);
-        $field_build['#view_mode'] = $view_mode;
-        $page['#title'] = $this->renderer->render($field_build);
+      if (isset($page['entity'][$label_field])) {
+        $page['#title'] = $this->renderer->render($page['entity'][$label_field]);
       }
     }
     return $page;
@@ -118,6 +133,7 @@ public function view(EntityInterface $_entity, $view_mode = 'full') {
       ->getViewBuilder($_entity->getEntityTypeId())
       ->view($_entity, $view_mode);
 
+    $page['#pre_render'][] = [$this, 'preRenderEntityChild'];
     $page['#pre_render'][] = [$this, 'buildTitle'];
     $page['entity']['#entity_type'] = $_entity->getEntityTypeId();
     $page['entity']['#' . $page['entity']['#entity_type']] = $_entity;