Shortly after the company's keynote at the WWDC on Monday, Apple released a "near final" OS X Mountain Lion Developer Preview 4 and Server Preview 5 for developers. While some were expecting that OS X 10.8 would gain Facebook integration on the level promised for iOS 6, it appears Apple may wait and implement that feature in Mountain Lion at the same time as it launches in iOS 6 -- in the fall, a few months after Mountain Lion's release.