RSS 0.9 was RDF, as was 1.0. 0.91–0.92 (and the 0.93/0.94 drafts) and 2.0 had nothing to do with RDF.
RSS 0.9 was RDF, as was 1.0. 0.91–0.92 (and the 0.93/0.94 drafts) and 2.0 had nothing to do with RDF.