> Resend ten years of hilarious memes and intimate conversations to whoever is on the other end? AFAIK, it won't resend already received messages; if the other

> Resend ten years of hilarious memes and intimate conversations to whoever is on the other end? AFAIK, it won't resend already received messages; if the other end didn't have a backup, these ten years of old messages are lost for that end. I don't know whether it will resend sent but not yet received messages, and it certainly will use the new key for new messages (but at that point, you already received the "key changed" alert).