OK, ATLAS Experiment friends: in Athena 21.3.X, FFS how do you retrieve the b-tagging weight of a jet? Fun fact: the BTaggingSelectionTool does NOT contain the ::getTaggingWeight() method in 21.3. And go. https://twitter.com/drsekula/status/1333868119476068352/photo/1 https://chirp.cooleysekula.net/attachment/69682