That is the recently-ratified RFC9420, or Messaging Layer Security [1]. Matrix is supportive [2], Google is supportive [3], and Google Messages is actively gain

That is the recently-ratified RFC9420, or Messaging Layer Security [1]. Matrix is supportive [2], Google is supportive [3], and Google Messages is actively gaining support [4]. 1: https://datatracker.ietf.org/doc/rfc9420/ https://datatracker.ietf.org/doc/rfc9420/ 2: https://matrix.org/blog/2023/07/a-giant-leap-with-mls https://matrix.org/blog/2023/07/a-giant-leap-with-mls 3: https://security.googleblog.com/2023/07/an-important-step-towards-secure-and.html https://security.googleblog.com/2023/07/an-important-step-to... 4: https://www.androidauthority.com/google-mls-e2ee-messages-3457483/ https://www.androidauthority.com/google-mls-e2ee-messages-34...