So far this feature request has not been prioritized by the team as we have a few work-arounds for you to add section headers in your apps.
Here is a few options -
Use a category field with a required field to become "header" in your app. See screenshot below:
Hope this will help you with a work-around. At this point we have no specific plans on the "header/divider" field option since we have these available.
However please keep the votes coming in case you would prefer to see a real solution, rather than this workaround.
//Sara - Podio