Allow Groups via UI of different types

[Krispkiwi]

The current functionality of only allowing this in yaml means the group gets no unique ID and thus reduces customization, would be good to have the option.

[tom_l]

Duplicate. Please search before posting. Vote and comment for this FR here:

"Any" group to group different domains (like old style yaml groups)

Problem As HA wants to go away from users configuring stuff in plain yaml and instead do it in the frontend, “old style” groups are something that’s still missing. Those “old style” groups are currently the only viable way of creating a room-based entity which: can show you, at a glance, if anything is still turned on allowes you to turn off a room allowes you to group groups to f.e. turn off all rooms when leaving the house. Use that “group of room groups” for automations like “Notify me i…