Yes, I confirm there's incompatibility with 7+TT and 3.0.5
If you're affected you can downgrade to 3.0.2 for now
https://startallback.com/download.php?v=3.0.2
No, I said I won't do randomly customizable right-click taskbar menu. Policy fix was done the moment you reported it and is not worth discussing at all.
That is probably Garry's Mod, but it's not possible to use exclusive fullscreen and multiple monitors, as deactivating game minimizes it. Not seeing anything like your behavior