nicxvan
--- a/core/modules/announcements_feed/src/Hook/AnnouncementsFeedHooks.php 0 → 100644
+++ b/core/modules/announcements_feed/src/Hook/AnnouncementsFeedHooks.php 0 → 100644
+      ],
+      '#weight' => 3399,
+    ];
+    // \Drupal\toolbar\Element\ToolbarItem::preRenderToolbarItem adds an
+    // #attributes property to each toolbar item's tab child automatically.
+    // Lazy builders don't support an #attributes property so we need to
+    // add another render callback to remove the #attributes property. We start by
+    // adding the defaults, and then we append our own pre render callback.
+    $items['announcement'] += \Drupal::service('plugin.manager.element_info')->getInfo('toolbar_item');
+    $items['announcement']['#pre_render'][] = [RenderCallbacks::class, 'removeTabAttributes'];
+    return $items;
+  }
+
+  /**
+   * Implements hook_toolbar_alter().
+   */