They supposedly can be disabled in settings- but we all know that won’t last. They’re going full Microsoft Skype mode and it’s only a matter of time.
They supposedly can be disabled in settings- but we all know that won’t last. They’re going full Microsoft Skype mode and it’s only a matter of time.
It means users aren’t dependant on a centralized service provided by the developers themselves.
That doesn’t really answer the question since anything that is self-hostable already meets your criteria even if it’s not federated.