If you can't find your model on the list, it means at this moment there are
no official builds available.
You can check forums
Experimental builds
section for any unofficial / community builds that may exist for your camera.
EOS R and EOS M are not meant for R5, R10, M3, M50, etc. but only for those exact devices.
EOS M3, M5, M6, M10, M100 - for those check CHDK Project