Why do you need a Mac to run iOS betas? Does iTunes for Windows no longer support loading firmware updates from a file? You can register device UDIDs on the dev

Why do you need a Mac to run iOS betas? Does iTunes for Windows no longer support loading firmware updates from a file? You can register device UDIDs on the developer program Web site, and extract the first firmware file from .dmg with any one of several utilities on Linux and Windows, so I'm not sure why you'd need a Mac, unless Windows can no longer flash iOS devices.