<img src="{{ hero_image | original_image }}" alt="{{ hero_image.alt }}">Use it when WordPress has created a scaled full-size image but the template needs the actual upload. It works best with media values that include an attachment ID, such as ACF image fields, gallery items, or featured_image.
<img src="{{ featured_image | original_image }}" alt="{{ title }}">If TemplateX only has a plain URL and no attachment ID, it returns that URL.