Dave,
I do some work in Qt. Primarily helping to port Lmms to Qt4. I am now
working on a successor. This host is in Qt4 and uses lv2 as the primary
plugin api. I desire embedded plugins, so this topic is close to my heart.
Anyways, I would name the URI after Qt4 instead of simply Qt. Qt breaks some
ABI compatibility in major releases. So, including the 4 in the name should
protect us when 5 is released.
Regards
Paul