Apple has released the Mac OS X v10.1.5 update. (Standard drill--go to System Preferences / Software Udates to download.) Stated improvements in this version:
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.
--Support for 2D and QuickTime hardware acceleration for Rage Pro.
--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.
--Includes a generic PC Card driver to support a variety of PC Card modems.
--Mail accounts go offline to indicate that SSL encryption settings are not supported by mail server.
--Includes the Security Update April 2002.
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.