I think he maintains the ROM pretty well. He is the maintainer of the CM11 on the phone I have. Invisiblek is not real active in the thread but i do think he keeps it current. I have a tablet for each of the CM11 ROMs and one for Evervolv.
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Tablet: LENOVA K1 CM10.1 by KASCHEMME.
HP TOUCHPAD KK 4.4 AOSP ,EVERVOLV by FLINTMAN
HP TOUCHPAD CM 11 KK 4.4 by MILAQ or INVISIBLEK
Phone: HTC DNA MOONSHINED