In its almost monthly update, DxO Optics Pro V7.5.5 added support for the RAW files (and JPEG taylor made image correction as well) of four new cameras :
Canon EOS-1D X (Elite edition)
Nikon D600 (Elite edition)
Panasonic LX7 (Standard edition)
Panasonic G5 (Standard edition)
This update is totally free for all current DxO Optics Pro V7 users and also the photographers who purchase the V6 after Sept 1st 2011.