contains MRs: https://gitlab.cern.ch/atlas/athena/-/merge_requests/59250 Update configurable property syntax in FlowAfterBurner https://gitlab.cern.ch/atlas/athena/-/merge_requests/59246 Update configurable property syntax in Hijing_i and Hydjet_i https://gitlab.cern.ch/atlas/athena/-/merge_requests/59314 EvgenProdTools: Fix clang warning. https://gitlab.cern.ch/atlas/athena/-/merge_requests/59297 Update configurable property syntax in QGSJet_i https://gitlab.cern.ch/atlas/athena/-/merge_requests/59298 Update configurable property syntax in Starlight_i https://gitlab.cern.ch/atlas/athena/-/merge_requests/59305 Remove code that was checking for loops in HepMC record (mainly for Sherpa) https://gitlab.cern.ch/atlas/athena/-/merge_requests/59248 Update configurable property syntax in EvtGen_i https://gitlab.cern.ch/atlas/athena/-/merge_requests/59118 Assume Pythia83 for the master https://gitlab.cern.ch/atlas/athena/-/merge_requests/59017 Update configurable property syntax in BeamHaloGenerator, CavernBkgGenerator and CosmicGenerator packages https://gitlab.cern.ch/atlas/athena/-/merge_requests/59348 Print for the debug all particle info and not an expensive barcode https://gitlab.cern.ch/atlas/athena/-/merge_requests/59403 TruthRivetTools: Fix clang15 warnings. https://gitlab.cern.ch/atlas/athena/-/merge_requests/59454 CosmicGenerator: Fix compilation with clang. https://gitlab.cern.ch/atlas/athena/-/merge_requests/59443 PowhegControl: manual sweep GeneratorFilters: bring back JetFilter https://gitlab.cern.ch/atlas/athena/-/merge_requests/59430 Optimize the barcodes https://gitlab.cern.ch/atlas/athena/-/merge_requests/59477 Pythia8B_i fix to reseed the generator https://gitlab.cern.ch/atlas/athena/-/merge_requests/59497 xAODTruthCnv, GeneratorObjectsTPCnv, TruthParticleID : clang-tidy related fixes