Mac Rumors posted a news story that Apple has released a first build of OS X 10.6.5 to the developers
Apple today seeded the first developer build of Mac OS X 10.6.5, the fifth maintenance release to the company's Mac OS X Snow Leopard operating system. According to those familiar with the release, which is termed Build 10H525, developers are being asked to focus their testing on iCal, Mail, Printing, 3D Graphics, QuickTime and X11.Apple Seeds First Developer Build of Mac OS X 10.6.5
