Guide to use QtCreator for Unreal Engine 4!

Are you sure that you have the defines.pri correctly include in your pro file ? In my project the every class works well, you can use F2 (or CTRL + Click) on OVERRIDE or any other class.

To be clear I have add all includepath that was include in Visual Project and all defines in visual project, there should be not missing includepath. But be sure to wait a little bit because OVERRIDE take a little bit longer to be detected in my QtCreator