contains MR: include systematic tools https://gitlab.cern.ch/atlas/athena/-/merge_requests/35769 Add option to use powhegLHEReader for Herwig7 in Herwig72ConfigLHEF.py https://gitlab.cern.ch/atlas/athena/-/merge_requests/35962 Pythia8.240p4 and Powheg-00-04-03 https://gitlab.cern.ch/atlas/athena/-/merge_requests/35998