The organizational body behind Matter has promised that the new standard will be the great unifier of smart homes. While it is absolutely the beginning of something great, it won't mean a lot for HomeKit users out of the gate.
WiZ Lighting: Now Apple Home compatible thanks to Matter - Matter & Apple HomeKit Blog
What is Matter: The Smart Home standard explained
There have been HomeKit announcements aplenty at CES 2022 - Dans Tutorials
This is why I've stopped purchasing new HomeKit accessories. It's too hit or miss if anything is going to respond when I want it to, and it's completely failing the wife test.
Why Matter matters, and how does WiFi and Thread fit into it.
How To Build A Fully Offline Smart Home, Or Why You Should Not
Everything that works with Apple HomeKit - Reviewed
Review: Control (Almost) All of Your Smart-Home Tech With the Brilliant Home Control Hub
HomeKit Over Thread With HomePod mini and Eve
Matter 1.2 Adds Support for Vacuums, Air Purifiers, and More (Finally)