Mac OS X 10.1.5 is Out

and available for download via the Software Update preference panel. The build number is 5S60. Here is what's new according to the Read Me file:

Update 10.1.5 delivers enhancements which improve the reliability of Mac OS X applications, delivers improved networking, security, support for PC Card serial communication devices, 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.
– 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.

The main features are: support for 2D and QuickTime hardware acceleration for ATI Rage Pro video, Quartz anti-aliasing in updated Carbonized applications as mentioned in the M$ Office v.X SR1 update and improved AFP networking when accessing multi-level directories on Windows NT servers. There's no mention of hardware DVD or OpenGL 3D support but the partial Rage Pro video acceleration support is welcome. We now have no problems (Finder quits) when accessing shared volumes on our Windows NT server at work.

We installed Mac OS X 10.1.5 on a PowerBook G4 500, iBook Dual USB 500, 2 Cube 450's, an iMac 350 SL and iMac DV SE 400 with no problems.