A topic is not appearing in the Latest view for one user. The user reports this has happened before, and once a topic disappears, it will never re-appear in his Latest.
I impersonated and confirmed the issue.
It’s not a permission issue- the topic is in a category which “everyone can see”. Furthermore, the user can search for the missing topic, find it, and view it.
The user is tracking the topic, and has not muted it.
The user is using the standard Latest view.
The user has posted in the missing topic before, in case that matters.
What else could be the problem?