X-Trans CMOS cameras have a new type of sensor filter array developed by FUJIFILM to improve image quality. FUJIFILM has been working to improve image processing of X-Trans and EXR-sensor based raw captures and is happy to announce that the Apple OS X applications iPhoto
are now able to process RAW files created on X-Trans CMOS cameras.
Applying the Digital Camera RAW Compatibility Update 4.05
to OS X enables iPhoto and Aperture to process RAW files created on the following cameras:
Please refer the following link for more detail.