What's New in Mac OS X 10.3.8
- Applications: Compatibility for third party applications and devices have been improved.
- Graphics: OpenGL technology has been improved, and ATI and NVIDIA graphics drivers have been updated.
- Network: File sharing and Directory Services for mixed (Macintosh and PC) networks have been enhanced.
Previous stand-alone Security Updates have also been included.
- Active Directory: An issue which could prevent clients using the Active Directory plugin from binding to their Active Directory server has been solved.
- Address Book: Address Book and Mail LDAP lookups that are performed by a Cisco DistributedDirector DNS server have now been accelerated.
- Applications: An issue was fixed where, under Mac OS X 10.3.7, iChat, Mail or other network-based applications could take a long time to open.
- Portable Macs: The "jumping cursor" issues (which could occur when using a portable Mac's trackpad with the thumb, side thumb, or a "flat" finger") were solved.
- PowerBook G4:
- Power Macintosh G5: A fan would previously cycle at erratic, unexpected times. This update solved the error. However, according to MacFixIt , a new problem involving the fan on Power Mac G5s seemed to have jumped up.
- Startup: An issue where the Mac would not restart automatically after a power failure, even when "Restart automatically after a power failure" option in the Energy Saver pane of System Preferences was checked, was dealt with.
- World of Warcraft: The performance of World of Warcraft's "Full Screen Glow" video feature was improved.
Issues with Mac OS X 10.3.8
This section will be replenished with information when we are in receipt of relevant information. To the reader: If you are a user of this item (Mac OS X 10.3.8) and have error reports to report or information to provide, we encourage you to dive in and edit this article, so that your error report or information is taken into account.
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- MacFixIt reports some cases where fan activity increases on Power Macintosh G5 computers after Mac OS X 10.3.8 was installed.  Later reports, however, confirm a very successful update  for many, with only a few isolated cases dealing with FireWire and Software Update issues.
- Reports are coming in warning anyone with a driver from Macally (specifically the iShock driver): The driver must be deleted before Mac OS X 10.3.8 is installed, or the driver may literally fill up a hard drive with swap or temp files.
Sources and References