- 
    Suggestion 
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    Resolution: Unresolved
- 
    P3: Somewhat important 
- 
    None
In properties where you can assign pixel values, there is a strong need to have resolution independent physical units that translate to a real distance on a screen
An example of how this could work is
Rectangle {
   width: 100*mm; height: 200*mm
}
- is duplicated by
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                    QTBUG-122000 Implement support for units (px, pt, percent etc) in QML -         
- Reported
 
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                    QTBUG-97250 add functionality to change units of property values. -           
- Closed
 
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- resulted in
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                    QTBUG-104804 font QML Value Type does not expose letterSpacingType attribute -         
- Open
 
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