The context menu on the tree view for classes do not allow to create objects of the mentioned types.
Git commit 47111958183846ac706ddb85f6c0a15947c4dcca by Ralf Habacker. Committed on 07/12/2016 at 14:29. Pushed by habacker into branch 'master'. Fix 'Not possible to add datatypes, interfaces and enums to a class or interface from tree view'. FIXED-IN:2.21.80 (KDE Applications 17.03.80) M +27 -3 umbrello/listpopupmenu.cpp M +6 -1 umbrello/listpopupmenu.h https://commits.kde.org/umbrello/47111958183846ac706ddb85f6c0a15947c4dcca
Git commit 23e23aa41557cc8dc000037347cc09b025d0aac3 by Ralf Habacker. Committed on 09/12/2016 at 23:19. Pushed by habacker into branch 'master'. Add adding class, interface, datatype and enums from diagram class widget. M +13 -0 umbrello/listpopupmenu.cpp M +21 -0 umbrello/umlwidgets/classifierwidget.cpp https://commits.kde.org/umbrello/23e23aa41557cc8dc000037347cc09b025d0aac3