Liam Morland
--- a/core/lib/Drupal/Core/Form/FormErrorHandler.php
+++ b/core/lib/Drupal/Core/Form/FormErrorHandler.php
+  protected $renderer;
+
+  /**
+   * Constructs a FormErrorHandler instance.
+   *
+   * @param \Drupal\Core\Render\RendererInterface $renderer
+   *   The renderer service.
+   */
+  public function __construct(RendererInterface $renderer) {
+    $this->renderer = $renderer;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
--- a/core/lib/Drupal/Core/Form/FormErrorHandler.php
+++ b/core/lib/Drupal/Core/Form/FormErrorHandler.php
   */
  protected function displayErrorMessages(array $form, FormStateInterface $form_state) {
    $errors = $form_state->getErrors();
-
-    // Loop through all form errors and set an error message.
-    foreach ($errors as $error) {
-      $this->messenger()->addMessage($error, 'error');
+    $items = [
+      '#theme' => 'item_list',
--- a/core/lib/Drupal/Core/Form/FormErrorHandler.php
+++ b/core/lib/Drupal/Core/Form/FormErrorHandler.php
-      $this->messenger()->addMessage($error, 'error');
+    $items = [
+      '#theme' => 'item_list',
+      '#items' => [],
+      '#list_type' => 'ul',
+    ];
+    // Loop through all form errors and sets an ID & error messages.
+    foreach ($errors as $name => $error) {
+      $form_element = FormElementHelper::getElementByName($name, $form);
+      $has_id = !empty($form_element['#id']);
+      if ($has_id) {
+        $items['#wrapper_attributes'] = [
+          'id' => $form_element['#id'] . '--error-message',
+        ];
+      }
+      $message = [