Epic Games has released the August 2011 UDK beta, which is now available for download. The update includes a movie capture system, material functions, adaptive tessellation, and iCloud document saving for iOS. It also contains improvements to the Unreal Editor, including Unreal Matinee, Unreal Cascade, AnimSet Viewer, the material editor and more. You can get more update details through the notes. There is also a a video below which gives you an inside look at the update. UDK, the free version of Unreal Engine 3 has been installed 900,000 times.