The shift - tilde showed framerates fluctuating around 100 to 160ms on my 165ms monitor running from a 2070 Super.
Last night I went in to the settings and added exclusions for the DW2 executable:
EDIT: image blocked go to imgur.com/a/KK0gkSo to see the settings I used
This caused my framerates to show 60 constant and no crashes (on v 1.0.2.0 and 1.0.2.1 so far)
Hope this helps anyone else using this utility