Important Fixes Done:
- Address Book - reliability syncing with iPhone and other devices and applications.
- AirPort - improvements when roaming in large wireless networks with an Intel-based Mac.
- Client management - fixes an issue in Mac OS X 10.5.4 and 10.5.5 in which managed users may not see printers that use the Generic PPD.
- iChat - addresses an issue that could cause an encryption alert to appear in the chat window; setting your iChat status to "invisible" via AppleScript no longer logs you out of iChat; resolves an issue in which pasting text from a Microsoft Office document could insert an image rather than text.
- Graphics - fixes for possible graphics distortion issues with certain ATI graphics cards.
- Mail - fixes an issue that could cause messages identified as junk to remain in the inbox, or cause Mail to append a character to the file extension of an attachment.
- Networking - improves Apple File Service performance, especially when using a home directory hosted on an AFP server.
- Time Machine - fixes issues that could cause Time Machine to state the backup volume could not be found.
General
- Includes Mac OS X security improvements.
- Addresses inaccuracies with Calculator when the Mac OS X language is set to German or Swiss German.
- Improves the performance and reliability of Chess.
- Improves DVD Player performance and reliability.
- Performance improvements for iCal are included.
- Fixes an issue when running the New iCal Events Automator action as an applet.
- Adds a Trackpad System Preference pane for portable Macs.
- Improves compatibility with smart cards such as the U.S. Department of Defense Common Access Card.
- Updates time zone data and Daylight Saving Time rules for several countries.