- 
    Bug 
- 
    Resolution: Unresolved
- 
    P3: Somewhat important 
- 
    None
- 
    5.12.0
- 
    None
- 
    OS: Pure Win10 19H1 18362
 QT version: 5.12.0
 Failure rate: 10 out of 10 times
After adding a red line in ColorOverlay.qml which is 5.12.0 version QT framework code will cause this issue.
  SourceProxy { 
        id: sourceProxy 
        input: rootItem.source  
interpolation: rootItem.smooth || (rootItem.layer.enabled && rootItem.layer.smooth) ? SourceProxy.NearestInterpolation : SourceProxy.LinearInterpolation
}
--------------------Fail case-----------------------------------

-----------------Pass case---------------------------


