Add support for Matter in your smart home app - WWDC21 - Videos - Apple Developer

The enhanced and new APIs in HomeKit enable smart home developers to integrate with the new Matter protocol in the most convenient way

WWDC21 - Videos - Apple Developer

Add an accessory to the Home app - Apple Support

The Apple WWDC 2021 Keynote Live Blog (Starts at 10am PT/17:00 UTC)

All Videos - Videos - Apple Developer

WWDC21 - Videos - Apple Developer

Hands on with all the HomeKit changes in iOS 15

WWDC21 - Videos - Apple Developer

Matter 1.0 & HomeKit - 7 things you should know before you upgrade to the new smart home standard

How to Add a Matter Smart Home Device to Apple Home

Apple smart home updates from WWDC 2021