[QNX] beagle bone black has QML drawing issues

import QtQuick 2.15 
import QtQuick.Window 2.15 
import QtQuick.Controls 2.15 

Window { 
width: 1024 
height: 600 
x: 0 
y: 0 
color: "darkgray" 
visible: true 

Rectangle { 
width: 100 
height: 200 
color: "blue" 
Text { 
text: "will display behind rectangle" 
color: "red" 
} 
} 
Text { 
y: 40 
text: "will also display behind rectangle" 
color: "black" 
} 
}