Adobe just added RAW support for the Panasonic G5, LX7 and FZ200. While the new update also supports the new Sony NEX and Fuji X cameras there is no support yet for the new Olympus PEN and Panaosnic GH3. Anyway, here are the links to the downloads:
Adobe released Lightroom 4.2: Mac update (Click here), Windows update (Click here)
Camera Raw 7.2 and DNG converter 7.2: Mac update (Click here), Windows update (Click here)