Apple has released the new beta for iOS 8 and Yosemeti today. The new beta comes expected fixes and updates. But the notable new feature is the iCloud drive whihc will let you store any kind of data in it. App developers can also use it to store their app data that isnt supported on iCloud. Other many new features include dark mode for Yosemite, the option to turn of Hand Off from phone, M7 Motion processor data in the Health app, recently deleted photos, new wallpapers, shared photo albums, wifi calling for supported carriers etc.
Other beta apps released today includes Xcode 6, Find My iPhone, Find My Friends, Pages, Numbers, Keynote etc. iOS 8 will be available this fall with the new iPhone.