Google's proprietary RCS stack seems to be pretty much what the new spec seems to be. Furthermore, their RCS server seems to be the most popular RCS server for

Google's proprietary RCS stack seems to be pretty much what the new spec seems to be. Furthermore, their RCS server seems to be the most popular RCS server for carriers to buy. Good on Apple for demanding the E2EE spec to be part of the official spec, but I don't think Google will need to do much different. I'm surprised they actually added it given it directly opposes the goals of the government parties that want to wiretap conversations.