Webkit-based canvas support in pyjamas desktop would allow developers using canvas apps to use pyjamas desktop in Ubuntu 10.10 & provide better support on all Windows OS's.
Unfortunately, Webkit version does not currently support canvas. This is a big bummer as canvas is one of the main Flash-killer features of HTML5.
And a port of Tomas's A parser stuff to python, along-side fixing up that java2python project that uses ... what is it... not python-ply, the other one.
perhaps under the guise of adding that "dynamic decision stuff" for SVG Canvas.
Creating a web application framework on top of pyjs's ui and browser library for making application faster to create and run and looks beautiful. ( css theme, layout, event propogation, secure rpc, project organization, multiple app in one app etc )