import QtQuick
import QtQuick.Window
import QtQuick.Controls
import QtQuick.Layouts

Window {
    title: "Test"
    visible: true

    Item {
        // uncommenting the following line prevents triggering the bug
        //anchors.centerIn: parent

        Button {
            text: "Popup"
            onClicked: popup.open()
        }

        Popup {
            id: popup
            x: Math.round((parent.width - width) / 2)
            y: Math.round((parent.height - height) / 2)

            ColumnLayout {
                Rectangle {
                    width: 50
                    height: 50
                    color: "green"
                }
                Label { text: "hello" }
                Label { text: "world" }
            }
        }
    }
}