Can a project be marked for deletion in MUX?
In classic, there is a button on the bottom of the project list page which can be checked to Mark a Project for Deletion.
Release : 15.9
Component : Clarity MUX UI Usability
In Modern UX (MUX) the option is available if you have the rights.
The option is on the Project Grid page and once the project is inactive you can select the checkbox from the grid page and options show at the top of the page.
Before the Button is selected
After the button Mark for Deletion is selected:
The Purge Flag box is checked.
Note that you can add the Purge Flag to the Details Flyout, but you cannot edit it there. Only from the Grid list page.