Tooltips for QMenu items aren't shown

When QMainWindow has a QMenuBar menu bar and items are added to it with the code like this:

auto myMenu = menuBar.addMenu("&Item1");
myMenu->addAction("Item2", []() {
  // some code
})->setToolTip("The tooltip text");

the tooltip is never displayed.

I don't see any reason why menu items can't have tooltips, especially when the API allows them.

FreeBSD 12.2