contains MRs: https://gitlab.cern.ch/atlas/athena/-/merge_requests/57936 Generators: update Rivet/YODA to 3.1.7/1.9.7 https://gitlab.cern.ch/atlas/athena/-/merge_requests/58251 Upgrading plugin capabilities for MGC https://gitlab.cern.ch/atlas/athena/-/merge_requests/58329 MG update to 2.9.9.atlas3 https://gitlab.cern.ch/atlas/athena/-/merge_requests/58361 MGC: add plugin in SUSY JO https://gitlab.cern.ch/atlas/athena/-/merge_requests/58366 Patching missing variable in MGC https://gitlab.cern.ch/atlas/athena/-/merge_requests/58570 jO for Pythia8 MonashCMW tune https://gitlab.cern.ch/atlas/athena/-/merge_requests/57208 Sweeping !57104 from master to 21.6. Adding dedicated YODA class for file report https://gitlab.cern.ch/atlas/athena/-/merge_requests/58737 https://gitlab.cern.ch/atlas/athena/-/merge_requests/58737