Apple today seeded build 13C59 of OS X 10.9.2 to developers
The release comes roughly a week after the fifth OS X 10.9.2 beta, build 13C53, and nearly two months after the first OS X 10.9.2 beta. The update is available to registered developers through the Software Update mechanism in the Mac App Store as well as through the Mac Dev Center. Apple continues to ask developers to focus on mail, messages, graphics drivers, VoiceOver, VPN, and SMB2.Apple Seeds Sixth Beta of OS X Mavericks 10.9.2 to Developers