Hello, I've been playing with ZClasses and I ran into an issue with ZObjectManager. Summary: (when creating a folderish ZClass and cascading base classes) if ZObjectManager isn't subclassed at 1st level, objects can be added to the folderish ZClass instances but they don't show in the manage_main object list. [Zope 2.1.4 on Win32, pure ZClasses, no Python around] More details: 1) I first tried this simple setup. It worked fine: