If you click on the Aerial Companion menubar, and then click on the huge gear in the top right corner, with tooltip "Open Aerial Settings", it will open the main Aerial window with window title "Test title".
If you click on the the Menubar item again, and click on the gear again to "Open Aerial Settings", it will open another window with the same "Test title".
You can easily see all the open windows with Exposé.
Ventura 13.5.2 (22G91), Aerial Companion 1.5.0b9
If you click on the Aerial Companion menubar, and then click on the huge gear in the top right corner, with tooltip "Open Aerial Settings", it will open the main Aerial window with window title "Test title".
If you click on the the Menubar item again, and click on the gear again to "Open Aerial Settings", it will open another window with the same "Test title".
You can easily see all the open windows with Exposé.