Specific changes in the 10.4.9 release include improvements to raw camera file support; handling of large or malformed images that could cause crashes; image capture performance; mouse scrolling and keyboard shortcuts; font handling; playback quality and bookmarks in DVD player; USB video conferencing cameras for use with iChat; Bluetooth devices; browsing AFP servers; Apple USB model; Windows-created digital certificates; Open and Print dialogs in Rosetta-based applications on Intel-based Macs; time zone and Daylight Savings Time changes for 2006 and 2007, and security updates.