DDs pump down data to various atributes of the object they are attached to. From what I can tell, most of the "recently fixed" DDs are setting the text atribute but often supply nothing to the other atributes like Value (used by prog bars).
FWIW, I've implemented Archetype icons in my group window (see patch 9.2.3) but this is done via klugy events since the DD updates don't fire an event and the member windows Show before the data has fully initiallized. Similar methods could be used for anything that only changes as the members change.
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