I think it's this conversation behind the link that makes svdwal anxious about the compatibility between Maemo6 and Symbian^4. From what I gather, there is no official stance from Nokia on this. http://developer.symbian.org/forum/s...ead.php?t=3363
Of course you'll be able to run pure Qt apps on both platforms, but if they don't look like native apps because they don't use native widgets that's a big problem for many. There'd be no major problem with separate implementations of the widgets on the two platforms as long as they shared a common set of interfaces (i.e. as long as we have source compatibility - and functional compatibility, not just "it compiles on both"). However, that doesn't appear to be the case from what I've seen so far...