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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. 

Rom: http://forum.xda-developers.com/showthread.php?t=2189373

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