contains MRs: https://gitlab.cern.ch/atlas/athena/-/merge_requests/51677 Add functionality to MultiBjetFilter to select inclusive events at a user-defined rate https://gitlab.cern.ch/atlas/athena/-/merge_requests/51689 Adding message linking to https://its.cern.ch/jira/browse/ATLMCPROD-9367 https://gitlab.cern.ch/atlas/athena/-/merge_requests/51918 SuperChic correct inputData filling for new version https://gitlab.cern.ch/atlas/athena/-/merge_requests/51883 Make particle gun samples have the correct masses (GeV to MeV change) https://gitlab.cern.ch/atlas/athena/-/merge_requests/51939 Superchic : fix for the pdf problem https://gitlab.cern.ch/atlas/athena/-/merge_requests/51275 Evtgen belle: Update EvtGen_i to allow use of Belle2 decay models and decay table https://gitlab.cern.ch/atlas/athena/-/merge_requests/51394 PowhegControl: fixes for MadSpin errors, and for openloops V2 processes https://gitlab.cern.ch/atlas/athena/-/merge_requests/50660 PowhegControl: fixing error messages from MadSpin, adding Wt_DR_Modified - AGENE-2132 AGENE-2131 https://gitlab.cern.ch/atlas/athena/-/merge_requests/50865 EvgenJobTransforms: add reading of warnings list https://gitlab.cern.ch/atlas/athena/-/merge_requests/45492 improve PowhegControl VBF W,Z interface AGENE-1831 https://gitlab.cern.ch/atlas/athena/-/merge_requests/51984 Superchic correct the setup of LHAPATH, EvgenJobTransforms: add printout https://gitlab.cern.ch/atlas/athena/-/merge_requests/51896 Add an option to change the number of required particles in decaylengthfilter https://gitlab.cern.ch/atlas/athena/-/merge_requests/52050 Superchic add ATLAS cvmfs installation of pdfs to LHAPATH https://gitlab.cern.ch/atlas/athena/-/merge_requests/51666 Sherpa_i Base fragment fixes & Slurm SDF batch script for 21.6 https://gitlab.cern.ch/atlas/athena/-/merge_requests/52086 ART tests: add test using Superchic and ttbar for ECM=13.6TeV https://gitlab.cern.ch/atlas/athena/-/merge_requests/51705 PowhegControl: fixing MadSpin issue - AGENE-2132 https://gitlab.cern.ch/atlas/athena/-/merge_requests/52134 Generators: Remove OL prefix from sinThetaW mZ scheme fragment