This is a heads-up for those who deal with OCAF documents and migrating to 6.6.0. Issue: You may observe sporadic crashes especially when dealing with AIS_InteractiveContext and/or XDE documents.Root-cause: The root-cause of the issues is side effects of the fix #23523. It has changed the order of destruction of the document contents.In 6.5.4 and earlier, the destructor of TDocStd_Document let the TDF_Data destructor...