The 10.4.3 Update delivers overall improved reliability and compatibility for Mac OS X v10.4 and is recommended for all users. It includes fixes for: AFP, SMB/CIFS, NFS and FTP network file services, AirPort and Bluetooth wireless access, Core Graphics, Core Audio, Core Image, and RAW camera support…

read more | digg story

It seems as if 10.4.3 killed Front Row.