A home hub is required to use features such as receiving accessory notifications. They won’t show shared apartments until they’ve updated to the latest HomeKit. The iPad is no longer supported.
Since Apple is ending support for iPad as a hub with iOS 16, users will need a HomePod, HomePod mini, or Apple TV to use hub-enabled features. For example, accessing accessories remotely with Siri and using location-based automation features.
There were some clues
Apple’s iOS 16 preview website suggested: The iPad fails as a home controller. This has not been confirmed until now, as it was still possible to set this as the control center in the first iPadOS 16 beta. “Only Apple TV and HomePod are supported as home hubs,” the website says.
The code of the second iOS 16 beta indicated that Apple is removing home controls from the iPad. Apple hasn’t explained why the iPad will no longer function as a home hub. That could be related to Apple’s planned cross-platform Matter Smart Home implementation.
Later this year, Matter HomeKit will allow users to add more smart home accessories to their HomeKit setups.
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