{# Keep track of the outer group field #}
{% set groupField = field %}

{% fieldtag 'nestedFieldRows' %}
    {% for row in field.getRows() %}
        {% fieldtag 'nestedFieldRow' %}
            {% for field in row.getFields() %}
                {# Update the namespace for the field #}
                {% do field.setParentField(groupField) %}

                {# Pass in the raw value from this parent field #}
                {{ craft.formie.renderField(form, field, {
                    value: value[field.handle] ?? null,
                }) }}
            {% endfor %}
        {% endfieldtag %}
    {% endfor %}
{% endfieldtag %}