Change record status: 
Project: 
Introduced in branch: 
8.x-5.x
Introduced in version: 
8.x-5.0-rc11
Description: 

Wizard page names have been added to the progress bar as data attributes (ie data-webform-page).

Before...

 <ul class="webform-progress-tracker progress-tracker progress-tracker--center">
    <li class="progress-step is-active">
      <span class="progress-marker">1</span>
      <div class="progress-title">
        <span class="progress-text">Your Information</span>
      </div>
    </li>

    <li class="progress-step">
      <span class="progress-marker">2</span>
      <div class="progress-title">
        <span class="progress-text">Preview</span>
      </div>
    </li>

    <li class="progress-step">
      <span class="progress-marker">3</span>
      <div class="progress-title">
        <span class="progress-text">Complete</span>
      </div>
    </li>
  </ul>

After...

<ul class="webform-progress-tracker progress-tracker progress-tracker--center">
    <li data-webform-page="information" class="progress-step is-active">
      <span class="progress-marker">1</span>
      <div class="progress-title">
        <span class="progress-text">Your Information</span>
      </div>
    </li>

    <li data-webform-page="contact" class="progress-step">
      <span class="progress-marker">2</span>
      <div class="progress-title">
        <span class="progress-text">Preview</span>
      </div>
    </li>

    <li data-page-name="webform_confirmation" class="progress-step">
      <span class="progress-marker">3</span>
      <div class="progress-title">
        <span class="progress-text">Complete</span>
      </div>
    </li>
  </ul>
Impacts: 
Site builders, administrators, editors
Module developers
Themers