Complex sentence: The Digital Camera RAW Compatibility Updates deliver support for raw files from new cameras to both Aperture 2.x and iPhoto'08 and require OS X 10.4.11 or 10.5.3 (10.5.2 for 2.0 and 2.1).
Split into simpler sentences: The Digital Camera RAW Compatibility Updates deliver support for raw files from new cameras to both Aperture and iPhoto. Both require OS X 10.4.11 or 10.5.3 (10.5.2 for 2.0 and 2.1).