Apple released the first developer preview of their upcoming desktop operating system Yosemite two months back at its annual Worldwide Developers Conference. Two weeks back they came up with the 5th developer preview of the same. Again today they released a newer version of Yosemite for the developers. The update, build 14A3429f, can be downloaded from the Mac App Store and through the Mac Developer Center. Apple has also released Xcode 6 beta 6.
Change log in Developer Preview 6:
Settings – The System Preferences menu has a new look with new icons.
Battery icon – There’s a new battery icon.
Wallpapers – Developer Preview 6 introduces new Yosemite-themed wallpapers.
Do Not Disturb – The “Do Not Disturb” button in the Notification Center has returned in Yosemite DP 6. It was missing from previous betas.
OS X Yosemite brings a flatter, more modern look to OS X, with an emphasis on translucency and redesigned dock, windows, and more. It also includes a multitude of new features, such as improved integration with iOS 8 through Continuity, a new “Today” view in Notification Center that offers integration with third-party apps, a retooled Spotlight search with new data sources, and several new features for apps like Mail, Safari, and Messages.
Source: Mac Rumors