I wanted to get the new Screen Time features quickly so I could make a tutorial video, but it requires *all* devices signed in to any iCloud Family member's account to upgrade to iOS 27.
Some of the devices listed here I don't have anymore, and several are my Mom's which shouldn't be connected to Screen Time at all. This is also in the iCloud > Family settings pane, and no where in Screen Time settings, so most people won't find it.