A new "dot release" of Mac OS X is available via software update:

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.