SUMMARY The entity proprerties dialog provides a "display" page with which the visibility of attribute signatures can be switched on or off. This page is not visible in the diagram properties dialog, which would be useful to switch the mentioned attribute on or off for all entities. STEPS TO REPRODUCE 1. start umbrello 2. add er diagram 3. open diagram properties dialog OBSERVED RESULT There is no display page EXPECTED RESULT There should be a display page SOFTWARE/OS VERSIONS Linux/KDE Plasma: openSUSE_Leap_15.1 KDE Frameworks Version: 5.55.0 Qt Version: 5.9.7 ADDITIONAL INFORMATION