Ticket #41649: 41649.patch

src/wp-admin/widgets.php

@@ -492 +492 @@
         $i++;
 }
 
+/**
+ * Fires after the available widgets and sidebars have loaded, just below sidebars.
+ *
+ * @since 4.8.2
+ */
+do_action( 'widgets_admin_page_blow_sidebars' );
 ?>
 </div>
 </div>