Apple releases Mac OS X 10.4.9 update for Intel and PowerPC Macs
Fire up Software Update boys and girls, for Mac OS X 10.4.9 is upon us. This update includes "general operating system fixes, as well as specific fixes or compatibility updates for the following applications and technologies":
RAW camera 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 Modem
Windows-created digital certificates
Open and Print dialogs in applications that use Rosetta on Intel-based Macs
Time zone and daylight saving for 2006 and 2007
Security updates
Wow, sounds like quite a collection. If you want to know more than the blurb Software Update gives you, this Apple support document should quench your thirst.