Jeremy Bonan, cc bcc and Traumich note that Mac OS X 10.1.5 is already making the rounds... on "underground" servers
MacPlus and TheMox have brief articles... which simply quote the supplied readme:
Mac OS X Update 10.1.5 delivers enhancements which improve the reliability of Mac OS X applications, delivers improved networking, security, and expanded peripheral device support. Specific improvements include:
Peripheral Device Support:
-Expanded support for new Canon digital cameras
-Improved support for Nikon FireWire cameras
-Expanded support for SmartDisk, EZQuest, and LaCie disc recording devices
-Improved support for MO drives
Application Improvements:
-Increased stability of Mail and Sherlock
-Emails are properly retained when rebuilding the Draft mailbox
-Updated Carbon applications can use Quartz anti-aliasing technology for high quality text display
Networking and Security Improvements:
-Improves networking via AFP when accessing multi-level directories on Windows NT file servers
-Significant improvement to file searching on local and remote volumes
-Mail accounts go off-line to indicate that SSL encryption settings are not supported by the mail server
WebDAV Improvements:
-More efficient iDisk mounting and file navigation
-Added support for connecting to iDisk using default DNS settings of AirPort
-Support for mounting a WebDAV volume from a non-standard http port
Asian Language Improvements:
-Significant updates to the Korean Input Method, especially important when using AppleWorks
-Internet Connect and Airport applications updated with Chinese and Korean localized content
