Several years ago, when I worked at FB, I ran into a similar bug on an early internal version of a Messenger rewrite. Sent pictures to one chat, showed up in another. My bug report on it kicked off an absolute maelstrom of dev activity and investigation. High level engineers showed up in the comments. Lots of immediate followup. The severity was clearly understood and resolving it was clearly prioritized. I exclusive…
[0] Personally I believe this is a big bump in the road for Signal and is why a lot of people are frustrated. About promises about things like usernames (it is no longer early 2021), channels, and everything else. A few devs can only do so much. A dozen (maybe 2 dozen?) devs can still only do so much. How do you compete with other platforms like Telegram that has hundreds of employees or WhatsApp with far more than that?
[1] https://github.com/signalapp/Signal-Android/graphs/contribut...