The 10.4.2 Update delivers overall improved reliability and compatibility for Mac OS X v10.4 and is recommended for all users. It includes fixes for:
- file sharing using AFP and SMB/CIFS network file services
- single sign-on authentication and reliable access to Active Directory servers
- autologin for managed user accounts
- AirPort and wireless access
- Core Graphics, Core Audio, Core Image, including updated ATI and NVIDIA graphics drivers
- Finder updates including finding on Kind and using Slideshow
- synchronizing your iDisk with .Mac
- installation reliability
- managing Dashboard widgets
- Address Book, Automator, iCal, iChat, Mail, Safari, and Stickies applications
- compatibility with third party applications and devices
For detailed information on this Update, please visit this website: http://www.info.apple.com/kbnum/n301722
For detailed information on Security Updates, please visit this website: http://www.info.apple.com/kbnum/n61798