>If they combine these frameworks, it makes the design and maintenance of cross platform software a lot easier (it'll still be difficult) You seem to say this

>If they combine these frameworks, it makes the design and maintenance of cross platform software a lot easier (it'll still be difficult) You seem to say this with some confidence. Could you list the things you know for sure will still be difficult? At a basic level isn't the only fundamental, guaranteed cross-platform difference taps vs mouse clicks? What else is "guaranteed" to be difficult, no matter what they do?