I think I’ve figured it out somewhat.

Handling instance invite codes is definitely missing from the official stoatchat-for-web repo I built my frontend from - see: https://github.com/stoatchat/for-web/issues/639

But I think what confuses things when you ask around for help is that AFAIK a lot of people are using various forks and pre-made docker images that patch things like this.

I also wasn’t aware so had a search.

If you don’t mind Reddit, this thread is interesting… https://www.reddit.com/r/rails/comments/133lcyl/can_someone_explain_what_happened_with_the/

Or there’s this… https://www.theverge.com/2021/5/3/22418208/basecamp-all-hands-meeting-employee-resignations-buyouts-implosion

Edit: Actually this is probably the most comprehensive summary: https://schneems.com/2021/05/12/the-room-where-it-happens-how-rails-gets-made/#the-basecamp-incident

I’ve got a relatively new Fedora install and I think I’ve seen this too - not had time to fully investigate, but have found on occasion if I leave it for a day the monitor brightness has wound down.