Something seems have changed, and transitioning to pages with scrollable panes is failing its call back.
The error is h.doc.getCSSCanvasContext is not a function and happens when the scrollable pane calls its createRoundMask function.
In our app it break navigation since we use the page transition to create history for the app.
With this error, transition call backs never return.
I suspect you're not using Dojo 1.10; can you try with that? It looks
like prior to 1.10, this function was used unconditionally in
dojox/mobile/_maskUtils, but in 1.10 it shouldn't be used if it doesn't