Qt released a few fixes for 4.8, including some for Symbian.
Some want to get this for their devices before the next firmware update (if Nokia updates Symbian, but that's anther question ...)
Let's ignore sigining, certs, capabilties and installing on Z:\ etc., there's this tutorial http://qt-project.org/wiki/Building_...bian_3_Devices
latest public PDK is from Symbian^3 and really outdated, is there any chance that a Symbian developer with latest Belle PDK can build and share it for the community?
Qt is opensource and there are still a lot of Symbian programmers which want latest fixes and updates but as far as I can see we can't build it.