STEPS TO REPRODUCE:
1. Login to Clarity Classic UI.
2. Navigate to Administration -> Time Reporting Periods. Close few time Periods.
3. Navigate to Modern UX -> Timesheets -> Timesheets Grid.
4. Set "Time Period is Open" to "No" and unselect the "Time Period" Filter so that it fetches everything.
5. Remove any other filters.
Expected Results :- The data for Closed Time Periods is shown
Actual Results :- No Results are shown
Clarity PPM 16.2.3, 16.3.x
There is a difference on how this functionality works in Classic vs Modern UX.
According to our internal discussions, The Modern UX Timesheets Grid is working as per design.
More Information at Tech - Docs