In order to get the tag weight for a jet, I have to use AthAnalysis in 21.2, but if I want to compute the distance from the tracks to the interaction point, I have to use Athena 21.3. AAAAAAAAAARRRRRRGGGGGGHHHHHHHH!!!!!!! https://twitter.com/drsekula/status/1333865697223569413/photo/1 https://chirp.cooleysekula.net/attachment/69680