//Qt 5.15.15
// the list is 0 after screen transition
qml: onHeightChanged: height:  -1
qml: onContentHeightChanged: contentHeight:  0
qml: onHeightChanged: height:  0

// APPEND 1 to the list
qml: onContentHeightChanged: contentHeight:  50
qml: onHeightChanged: height:  50

// Transition to the previous screen and then to the screen again.
qml: onHeightChanged: height:  -1
qml: onContentHeightChanged: contentHeight:  100
qml: onHeightChanged: height:  100
qml: onContentHeightChanged: contentHeight:  0
qml: onHeightChanged: height:  0
qml: onContentHeightChanged: contentHeight:  50
qml: onHeightChanged: height:  50

//Qt 6.5.5 
// the list is 0 after screen transition
qml: onContentHeightChanged : contentHeight :  0
qml: onHeightChanged : height:  0

// APPEND 1 to the list
qml: onContentHeightChanged : contentHeight :  50
qml: onHeightChanged : height:  50

// Transition to the previous screen and then to the screen again.
qml: onHeightChanged : height:  -1
qml: onContentHeightChanged : contentHeight :  100
qml: onHeightChanged : height:  100
qml: onContentHeightChanged : contentHeight :  0
qml: onHeightChanged : height:  0