Steps to reproduce:
- create application from scratch, assign a valid Qt (I've used official releases)
- run or debug and watch Application Output pane
- Stack (using Qt5.9) produces on startup and interaction sth like
- Canvas 3D (it does not close clean, but crashes on close)
Note: I could not reproduce the crash with an older Qt5.11 dev build - but with 5.9/5.10 official releases
tbh: I haven't verified all combinations of Qt/wizards. If you want me to test a special config let me know.