Apple today released the second beta of iOS 8 to developers



From MacRumors:

The update, build number 12A4297e, is available through Apple's over-the-air updating system on iOS devices and will also be available via the iOS Dev Center. MacRumors forum users are tracking new changes and features found in Beta 2 in this thread. Apple has also released Xcode 6 beta 2, new beta software for the Apple TV (for 3rd gen (+ rev a) only), and OS X Yosemite Update 1.0. iOS 8 introduces a range of new features, including improved integration with OS X through Continuity, a Health app, Family Sharing features, interactive notifications, a new QuickType Keyboard and improvements to several apps like Safari, Mail, and Messages.

  Apple Releases iOS 8 Beta 2 to Developers