Are there federation problems with Hexbear or did they stop moderating with Yiffit?

I really only follow one Hexbear community here in Yiffit which is !libre@hexbear.net, but I just noticed that since 4 months ago there are no updates in c/libre here in Yiffit, although if you go to the community directly from Hexbear there are new recent posts, and a lot of them.

I already checked the instances blocked by Hexbear and Yiffit doesn't seem to be among them, but neither in "allowed" or "linked" instances, although I have no idea what it's the difference between these.

Any idea why this could be?