Why won't Safari physical keyboard shortcuts work on iOS 8.1.1?

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I have two different bluetooth keyboards that I can pair with my iPhone 6 Plus. The first is the official Apple Keyboard the second is a Keyboard from Logitech that I have been using with my iPad mini. I have tried to use keyboard shortcuts in Safari on both of these keyboards. Neither work. I have tried CMD+T for a new tab. CMD+W to close a window, etc. Can anyone replicate this problem? Any advice, solutions, etc?