Activity Pub / Mastodon Federation lagging?


I am following several Mastodon users, but their feeds seems to be lagging. For example:

The last message on is from 31 oct but he posted a lot since then.

Any idea what could be wrong ?

Thanks !

In theory, the instance could be blocked. Or the other way around, that instance could be blocking for one reason or another. Or there could be a bug somewhere. Only @manton can tell us what’s going on for sure.