Values of enumeration attributes, which are configured to have multiple values assigned, and which are put in the Top Level attribute group, might be shown multiple times in the GUI. This is only a display bug, no data corruption will occur.
Edit-Permissions for Attribute Groups (fixed in 6.0.5)
Having the view-permission but not the edit-permission for an attribute group it is still possible to edit values of contained attributes. This affects the Interactive Client (since 5.5) and the Single Element REST API (since 5.4).
Logout when using iteraplan in an SSO configuration