Issue #2091971 by nod_, mdrummond, katzilla: Remove ID in progress-bar.html.twig .

core/misc/batch.js

@@ -11,7 +11,7 @@
   Drupal.behaviors.batch = {
     attach: function (context, settings) {
       var batch = settings.batch;
-      var $progress = $('#progress').once('batch');
+      var $progress = $('[data-drupal-progress]').once('batch');
       var progressBar;
 
       // Success: redirect to the summary.

core/modules/system/templates/progress-bar.html.twig

@@ -13,7 +13,7 @@
  * @ingroup themeable
  */
 #}
-<div id="progress" class="progress">
+<div class="progress" data-drupal-progress>
   {% if label %}
     <div class="progress__label">{{ label }}</div>
   {% endif %}