This is a great rom for the HTC One and it supports all the versions. You have to be rooted and have a custom recovery. This rom has some cool tweaks like removing the menu bar in apps and better battery.
Rooting and Unlocking:
How To Unlock HTC One: http://www.youtube.com/watch?v=4ijwT58lHBw
How to Root HTC One: http://www.youtube.com/watch?v=tb2MNSL0D_8