contains the following MR: change to Py8.244p3.rangefix https://gitlab.cern.ch/atlas/athena/-/merge_requests/36417 LCG_88b Update https://gitlab.cern.ch/atlas/athena/-/merge_requests/36451 correct the TestHepMC efficiency calculation https://gitlab.cern.ch/atlas/athena/-/merge_requests/36457 Powheg documentation update https://gitlab.cern.ch/atlas/athena/-/merge_requests/36470 ART tests corrections/additions https://gitlab.cern.ch/atlas/athena/-/merge_requests/36527 Rivet_i improvements for weight-name handling and documentation https://gitlab.cern.ch/atlas/athena/-/merge_requests/36606