Not many, but a few details …
> More HomeKit controls
> HomeKit is about to get a big update with iOS 14. The system will have “Night Shift to Light”, which essentially includes the ability to automatically change the compatible light temperature during the day, just as Night Shift does on iPhone, iPad , and displays Mac.
> Apple is also expected to expand its HomeKit Secure Video system, which will be able to identify specific people in the room, such as family members, so that you can receive personalized notifications.