MacRumors.com

On the heels of the Mac OS X 10.4 announcement, Apple has made available the Mac OS X 10.3.9 update for Panther in your software update:

The 10.3.9 Update delivers overall improved compatibility and reliability for Mac OS X v10.3 "Panther" and is recommended for all users.

Improvements include:
- file sharing and directory services reliability for mixed Mac and PC networks
- Mail, Safari and Stickies application reliability
- compatibility for 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/n300966
For detailed information on Security Updates, please visit this website: http://www.info.apple.com/kbnum/n61798

Updated: Mac OS X 10.3.9 Server is also available.