{% load i18n wagtailadmin_tags %}

{% panel heading=heading icon=form.icon id=panel_id %}
    {% for field in form.hidden_fields %}{{ field }}{% endfor %}

    <ul class="fields">
        {% for field in form.visible_fields %}
            <li>{% formattedfield field %}</li>
        {% endfor %}
    </ul>
{% endpanel %}