Dragonframe 4.2.4: YES
Dragonframe 3.7.4: NO
Dragon Stop Motion 2.3.8: NO
(Dragonframe was previously called Dragon Stop Motion)
The Canon EOS R provides a live view via its USB connection. The live view size is 960 x 640.
If you have the special stop motion animation firmware, the live view is 1920 x 1280.
Dragonframe controls the Canon EOS R ISO, shutter speed, aperture (with digital lens), image quality, and size.