I double-checked. It does show a progress dialog when copying within Thunar but not if a file is dragged from Thunar to the desktop. If it is dragged to the Desktop shortcut in the side pane then it does.
I double-checked. It does show a progress dialog when copying within Thunar but not if a file is dragged from Thunar to the desktop. If it is dragged to the Desktop shortcut in the side pane then it does.