Today Apple released its update to Mac OS X, bringing it up to version 10.4.2. Here is a list of updates and fixes included in this service release:
General updates/fixes
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
The update also includes two security updates, including addressing specific types of TCP/IP packets which could cause denial of service attacks.
View: General fixes
View: Security updates
Download: OS X 10.4.2 update

News source:
Neowin

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