This update extends RAW file compatibility for Aperture 2 and iPhoto 08 for the following cameras:
Canon EOS 5D Mark II
Canon PowerShot G10
Pentax K2000/K-m
Leaf AFi-II 6
Leaf AFi-II 7
Leaf Aptus-II 6
Leaf Aptus-II 7
Leica M8.2
It also addresses issues related to specific cameras and overall stability.