Refresh button not functional on settings screen?

Pushing the refresh button on setting screen does not reflect the action visually, and also does not refresh anything

Yeah, the refresh button will refresh the list of devices IF they changed. But most of the time this is not the beaviour and we are not able to detect, if there has been changes and a refresh may necessary.
We should try, if the refresh button is STILL necessary. I’ve aded also some event handlers, that are triggered by the browser when devices changes. If this works, the refresh button is dreprecated