Hello, all! Some of you are aware that we’ve been working on a pretty cool device-independent backup format, and now we’re looking to test our first use-case: syncing your message history with a newly-linked device! You heard that right – your newly-linked devices will finally have all of your message history 🎉 I think this is something we’ve all wanted for a while, so it’s really cool to finally build it. But building something like this is very tricky, and testing it tends to uncover lot...