- 
    Bug 
- 
    Resolution: Done
- 
    P1: Critical 
- 
    5.12.1
- 
    macOS
- 
        9343fbc478e42c7aec3247486b25b34f1908e93b (qt/qtdeclarative/5.12)
[REG: 5.12.0->5.12.1]: When a type is using Q_GADGET and is marked as a primitive type with Q_DECLARE_METATYPE then it cannot be access the properties on it in QML when passed via a signal.
If the type is not marked as a primitive type in Q_DECLARE_METATYPE then it is working fine.