The stickied posts get a bit weird and I've experienced them staying wrong until new ones are set. But this was last summer, unsure if it works better now or not.
The only thing I find concerning is the post "feedback on design and Firewall options" which you don't have and really should have unless there's something odd with that specific post. I have noted some issues with federating content from kbin/mastodon etc users but I saw that post on my self-hosted Lemmy instance...