It would be nice to have an option to disable the firewall (or to switch to another mode) temporary, for X minutes. Then it automatically goes back to its previous mode. As the try icon doesn’t show the state, it’s easy to forget and leave it disabled or in some other undesired mode.
An extension to this could be an option to treat an application as trusted temporary, for X minutes, without remembering & creating rules. Suitable for installers, Windows update exe’s etc.