Meh...i have clients that still have component video switches. No 4K for them. Not my fault. Not their fault. Upgrade the switch to get 4K.
I don't know what the entire story is with Airplay2 and Sonos but if something new comes out and the current product doesn't work...the client can live with it or upgrade everything.
Avid Stamp Collector - I really love 39 Cent Stamps