Matter is designed to facilitate the development and purchase of smarthome devices. Apple HomeKit will also benefit from this.
Nest HomeKit Matter Integration : r/HomeKit
Eve Energy vs Eve Energy (Matter) : r/HomeKit
Upgrade to Matter: Everything stays the same? Not quite! - Matter & Apple HomeKit Blog
How to secure your Matter-Codes - Matter & Apple HomeKit Blog
HomeKit vs Matter - pls explain. : r/HomeKit
Matter Standard: Add any Smart Home Devices to Apple HomeKit
How to use Thread HomeKit devices with Apple TV and HomePod - The Mac Security Blog
Matter 1.0 & HomeKit - 7 things you should know before you upgrade to the new smart home standard
What is Matter and How Does it Work With Apple HomeKit - Setup Homekit