There seems to be a mysterious new black band atop the regular orange on my HN view. For fear of sounding stupid, does this have any oblique implication my HN behaviour, or on our recent YC application?
It's a mark of respect for someone's death, in this case John McCarthy. It's also been used recently for Dennis Ritchie and Steve Jobs, and for other people in the past.
It's to commemorate the passing of John McCarthy - father of AI and Lisp.