Floating QDockWidget cannot be dragged on Wayland

1) Boot a Fedora 41 Workstation Live ISO
2) sudo dnf install python-pyqt6
3) Save and run:

#!/usr/bin/python

import sys

from PyQt6.QtCore import Qt
from PyQt6.QtWidgets import *

class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()
        self.setGeometry(0, 0, 400, 400)
        dockWidget = QDockWidget()
        dockWidget.setWindowTitle("Dock Widget")
        self.addDockWidget(Qt.DockWidgetArea.LeftDockWidgetArea, dockWidget)

app = QApplication(sys.argv)
dialog = MainWindow()
dialog.show()
app.exec()

4) Undock the widget "Dock Widget"
5) Use the mouse to click and hold on the "Dock Widget" titlebar and attempt to drag

written to stderr:
"This plugin supports grabbing the mouse only for popup windows"

Also seen with Qt 6.9.0 on Gentoo Linux, where the "not-allowed" cursor is displayed.

Other problems:
 dragging from the top left corner resizes from the bottom right
 dragging from the left edge resizes from the right
 dragging from the top edge resizes from the bottom