Description: Chat notifications appear as blank tiles.
Reproduction:
- Get trust level 1
- Mention the TL1 user in chat
- Demote the user from TL1
- User gets these broken notifications:

To fix this, the chat should not appear in the notifications, and instead should not appear at all.
1 Like
I’m not sure if this is exactly the same, but does seem similar to this bug report:
I’ll cross-link it here for extra context. 
2 Likes