Microsoft Office 365 Drop-down List Issue in Pre-22.200 Smart View
Some Office 365 users may face issues viewing drop-down list values in Smart Lists, member drop-down menus, in-cell POVs, and other drop-down lists. For example, on clicking any drop-down list in a cell, only an ellipses (…) may be displayed instead of the actual drop-down values.
Users need to upgrade to Smart View 22.200 or later in order to see the drop-down list values properly in cells.