Apple and Google co-operating?? Hath hell frozen over? I know Google did some work in this area once already when the promoted their Thread protocol and according to Wikipedia Apple joined that group in 2018:
Maybe this is just an attempt to make new news from old? Maybe it’s because Amazon came on board?
It’ll be interesting to get devices that all platforms can control. I don’t have much iot stuff - two Lifx bulbs that support Homekit, Alexa and Google and a switch that doesn’t support Homekit.