[fabianholzer]

As a feed consumer I am always happy if a feed contains the full content, but I am not sure if the feed must also include all articles that a site ever published. That would basically make the feed a serialized version of the whole website (which is indeed what a few feeds that I subscribe to do by including sections that are common on personal sites like about/contact/now as items of their feed - but those are the minority). That would actually be fine as long as the archive is small or at certain size, when the feed is paginated. But I am under the impression that most feed generators do not have pagination in mind, also I don't know how well the individual aggregators and readers handle it on the consuming end.