I think it might be notifications for group chats they’re in. Maybe spread over multiple apps? Anecdotally I remember having the same friend group on multiple apps, with a couple of members missing/added in each. So many times the same topic create double or triple notifications. But 5000 is insane…

That makes sense, thank you. My question above was specifically about Debian, since I’ve heard the point of it being community based used negatively in other places/threads too.

Can you explain why “community system” is bad? Genuinely curious, since the word community sounds like it’s not controlled by corpo interests