@PifyZ I am 80% sure none of these have all 4 criteria, based on my searching! Happy to be proven wrong, but I know 100% that Singal doesn't, gitter doesn't, most stable XMPP implementations don't, and Riot (matrix imp) doesn't.
@PifyZ I am 80% sure none of these have all 4 criteria, based on my searching! Happy to be proven wrong, but I know 100% that Singal doesn't, gitter doesn't, most stable XMPP implementations don't, and Riot (matrix imp) doesn't.