Actually I can only set a custom Title in a Slicer. Then I have to Disable the Header. When I disable the header, I loose the functionalities, like clear selections and display as a Dropdown. But, ...
I was really happy to see the dropdown option added to the slicer, but then hit this above problem. If you want to set a Title and disable the Header (e.g. due to field name not being clear/useful) then you lose the Clear selection button. Really need to see all the same capabilities of Title added to Header.
