Mac OS X 10.1.5 Update Available

krugdm writes "The Mac OS X 10.1.5 update which was hinted at in the MS Office update changelog is now available through Software Update. From the updater: '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.'"