I doubt this will ever happen they may do 5v tolerant inputs but outputs? Highly unlikely. Already the RP2040 uses its own regulator to make 1.1V for itself. Th

I doubt this will ever happen they may do 5v tolerant inputs but outputs? Highly unlikely. Already the RP2040 uses its own regulator to make 1.1V for itself. The smaller the process and higher the frequency the lower the voltage. So the future is clearly not moving toward 5v.