The 10.4.5 Update is recommended for all users and includes general operating system fixes, as well as specific fixes for the following applications and technologies:
– iChat video conferencing
– Safari rendering of web pages
– usability of Dashboard and widgets
– viewing of QuickTime streaming media behind a firewall
– printing to some Epson printer models
– iDisk and Portable Home Directory syncing
– time zone and daylight savings for 2006 and 2007
– VPN connections to Cisco servers when using NAT
– compatibility with third party applications and devices
– previous standalone security updates
For detailed information on this Update, please visit this website: http://www.info.apple.com/kbnum/n303179.
For detailed information on Security Updates, please visit this website: http://www.info.apple.com/kbnum/n61798.