It would very nice to have scheduling (schedules, timers, away mode) across grouped devices. For example, I have a number of switches controlling outside lights. Rather than needing to program each on

How about creating a garage door opener?

It would be nice to have a single-bin switch that contains 2 half-size switches in one, preferably 3-way.

I would like to request a wifi controlled ceiling fan speed control switch. This would provide at least the standard on/off and 3 speed fan control. If it's technically possibly to have more than 3 sp