I had this happen to me - where someone I was messaging stopped using it without telling me. One message came through as garbled, but then there's an easy way t

I had this happen to me - where someone I was messaging stopped using it without telling me. One message came through as garbled, but then there's an easy way to "end secure session" and new messages go through in plaintext. For switching between textsecure phones, I just re-initiated a key exchange. This was months ago, so it may have changed