import QtQuick
import QtQuick.Controls
import QtQuick.Layouts
import mystuff

ApplicationWindow {
    id: window
    visible: true
    property MyModel model: MyModel {
    }
    ColumnLayout {

        HorizontalHeaderView {
            syncView: myTable

            delegate: Label {
                height: 40
                text: model.display  // BUG HERE if change display -> my_custom_role
            }
        }

        TableView {
            id: myTable
            model: window.model
            delegate: Item {
                required property var model
                Label {
                    height: 40
                    text: model.my_custom_role  // This is fine
                }
            }
        }
    }
}