Originally Posted by Frink
It's a little different than the usual story. The Xpro1 has been out for almost a year, and it's unsupported as well.
The X-trans vs bayer color filter apparently requires a whole new RAW conversion process and Adobe and Apple haven't gotten fully behind it yet and no one knows if they will.
My understanding was that LR 4.2 had added some support for the new randomized sensor but there are still some issues. I'd probably just shoot jpeg or use Fuji's raw conversion.