This release introduces variation-related response groups, VariationMatrix and VariationOffers, tag-oriented response groups, TaggedItems, TaggedListmaniaLists, TaggedGuides, and TaggedSummary, and a new operation, TagLookup. This release also introduces the Baby search index in the DE locale, the CustomerContentLookup operation in the DE, FR, JP, and UK locales, the Video search index in the FR locale, and many new sort values in the Music, Video, VHS, DVD, and Classical search indices.