[rubymamis]

> Also it seems the Qt company makes it confusing on purpose.

Yes, things have changed. So annoying you can't just download an offline installer using a mirror of your choice, for example.

> One problem with Qt is that some modules are under the GPL and it is easy to end up inadvertently with a GPL dependency.

I never encountered such a problem, the GPL modules always seemed very niche and targeted toward specific industries (automobile, etc).