Years ago, I’ve tried to use the GPL version of Qt, but it couldn’t be done without a Qt Solution that was at the time non-free. Now, Nokia has freed and Qt and the appropriate Qt Solution.
I’ve searched if someone has already used this new version to create a VST plugin. The only blog post I’ve found does not use the Qt Solution and is not perfect. According to the documentation what is missing in this solution is precisely what the Solution should do. So let’s try it.