Speaking of hotfix, LemmyError in the logs doesn't pick up the nginx forwarded host.
So you get error messages about a server sending expired headers, but the logs don't reveal who the sender is.
modifying the code here: https://github.com/LemmyNet/lemmy/blob/main/src/root_span_builder.rs#LL21C3-L21C3
by adding line:
http.realip_remote_addr = request.connection_info().realip_remote_addr(),