Ticket #55960: 55960.1.diff

src/wp-includes/class-wp-admin-bar.php

@@ -517 +517 @@
                         $class = '';
                 }
 
-                echo "<ul id='" . esc_attr( 'wp-admin-bar-' . $node->id ) . "'$class>";
+                if ( 'wp-logo-external' === $node->id ) {
+                        echo '<div id="wp-admin-bar-wp-logo-external-heading" class="ab-item ab-empty-item">' . __( 'External links' ) . '</div>';
+                        $aria = ' aria-labelledby="wp-admin-bar-wp-logo-external-heading"';
+                } else {
+                        $aria = '';
+                }
+
+                echo "<ul id='" . esc_attr( 'wp-admin-bar-' . $node->id ) . "'$class$aria>";
                 foreach ( $node->children as $item ) {
                         $this->_render_item( $item );
                 }