FWIW I tried both with the default Yaru cursor and with the DMZ White cursor and couldn't reproduce a crash if I set the cursor theme with gnome-tweaks, launched the firefox snap, then refreshed snapd stable -> edge -> stable again.
FWIW I tried both with the default Yaru cursor and with the DMZ White cursor and couldn't reproduce a crash if I set the cursor theme with gnome-tweaks, launched the firefox snap, then refreshed snapd stable -> edge -> stable again.