RPP 4.3.1 went 64-bit and added E-P3 support. iPhoto 9.1.5 made a number of stability and performance enhancements. Aperture 3.1.3 also got a number of reliability and performance changes. VueScan 9.0.50 fixed a number of problems with specific scanners and fixed the problem of installing the plug-in with the latest CS5 changes.