I'm new to Prison Architect on the Xbox One, but I've had it on PC for a long time.
Some features I'd like to see are:
Visitation: glass panels separating convict / prisoner with phone on either side
High profile Max Prisoners: Like in the PC version you could intake well known criminals.
2nd Floor Cells: While it's top down view only, a possibility of adding a second floor?
Female Prisoners: either on the same map but can't be mixed with male population or a choice before you start your game male or female.
Shakedown Icons: Make them bigger if possible
Guard Towers?
Thanks for taking the time to read, great game so far and lots of hours spent playing