Apple has posted the Mac OS X 10.5.7 Update package to its Software Update servers, weighing in at a hefty 449MB just for the incremental update from 10.5.6. Combo packages are also available both for the standard (729MB) and server (951MB) variants from Apple’s Downloads Page.
Readers are encouraged to report on any problems or changes.
From release notes for the standard Delta Update package:
What’s new in this update?
Address Book
* Improves reliability of Address Book syncing with iPhone and other devices and applications.
AirPort
* Improves the reliability of AirPort connections, including improvements when roaming in large wireless networks with an Intel-based Mac.
Client management
* Improves reliability of synchronizing files on a portable home directory.
* 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.



WWDC Preview Part 3: iPod Touch, Other iDevices, One More Thing?
As Rumors has previously reported, we expect an entirely new family of iDevices to be shipping by the end of the summer — and although expectations for an announcement of new 2009 iPhones are running high today, the actual shipping date of those new phones is most likely at least a few (3-4?) weeks in the future.
We also believe that at least one other group of iDevices, most probably and expanded/upgraded iPod Touch lineup, will be announced today….with at least some models paralleling the feature set of the high-end 2009 iPhone, including: