What do you want to see in future firmware updates for the EOS R5 Mark II and EOS R1?

[Eloniel]

Being able to merge 2-3 photos already taken into a multiple exposures one inbody. Currently you can only select one already taken and take the others ones... But other body from Nikon had this feature so it's should be doable.

 

[el peso]

Reset zoom by half-pressing the shutter release button. Finally!!!
Bring back sensor shift multishot.
C4 and C5 (or even C6) would be a nice addition because they are digital in R5 II in contrast to a physical mode dial button on R6 III.