Why YSK: Beehaw defederated from Lemmy.World and Sh.itjust.works effectively shadowbanning anyone from those instances. You will not be able to interact with their users or posts.
Edit: A lot of people are asking why Beehaw did this. I want to keep this post informational and not color it with my personal opinion. I am adding a link to the Beehaw announcement if you are interested in reading it, you can form your own views. https://beehaw.org/post/567170
Beehaw.org is a highly maintained instance with careful moderation and rules for their instance and communities.
The explosion of new users this month has overwhelmed their moderation team with having to keep up with now moderating new huge user bases from large instances like sh.itjust.works and lemmy.world. These instances in particular it seems had lots of bad actors causing issues in their communities.
There are plans for them to re-federate at some point with the advent of new modding tools and updates to Lemmy