Thread-over-Matter mesh networking
UWB in door locks
Unlicensed 6Ghz spectrum
Apple room panels (AI/conferencing/control)
Apple security cameras, door locks
Apple iPad-on-motorized-pole
In-home AI/media servers (Mac Mini/Studio, Tinybox)
Speech interfaces based on open-source stacks
If Apple, as rumored, ships an HomeKit hub with a screen I can see the category warming up. Sadly it seems that a lot of IoT/Smart Home companies avoids supporting HomeKit as they want to be in control of data collection and the ecosystem in general.