DIfferent feed classes should be marked in some way The old theme had different background colours of different types of feed, that was a bit simplistic and something more elegant can probably be found. I'm thinking of a narrow but long image in the top left corner of the post. Reproducible: Always
Thank you for the bug report. As this report hasn't seen any changes in 5 years or more, we ask if you can please confirm that the issue still persists. If this bug is no longer persisting or relevant please change the status to resolved.
I have added the feed type (RSS, Atom) as text, next to the feed icon in the header of each post. Is it acceptable to you?