Over 50 brands worldwide offer products that are compatible with HomeKit and your Apple devices — with more and more on the way.

https://www.apple.com/home-app/accessories/

Pro Display XDR Technology Overview February 2020 
 Pro Display XDR Technology Overview February 2020 Contents Introduction 3 ................................

https://www.apple.com/mideast/pro-display-xdr/d/pdf/en/Pro_Display_White_Paper_Feb_2020.pdf