The entry-elements don't contain an author-element, nor does the feed itself. Specification says: "atom:feed elements MUST contain one or more atom:author elements, unless all of the atom:feed element's child atom:entry elements contain at least one atom:author element."
Hey there,
I cannot add your Atom feed to my feedreader, as is is rejected as invalid. The found errors in https://validator.w3.org/feed/check.cgi?url=https%3A%2F%2Fwww.doctrine-project.org%2Fatom.xml are not that unlucky and should be easily fixable:
http://www.w3.org/2005/Atom
according to https://datatracker.ietf.org/doc/html/rfc4287#section-1.2, nothttps://www.w3.org/2005/Atom
)entry
-elements don't contain anauthor
-element, nor does the feed itself. Specification says: "atom:feed elements MUST contain one or more atom:author elements, unless all of the atom:feed element's child atom:entry elements contain at least one atom:author element."Greets Gregor