Apple is expected to release iOS 18.4 in early April, and when it does, users with HomeKit devices still running on the old Home app architecture may...

Apple's upcoming iOS 18.4 software update will require you to update your smart home accessories to a new architecture for the Home app.

Apple is set to discontinue support for the older version of its HomeKit architecture, meaning that users will be forced to upgrade with the release of iOS 18.4.