based on LCG_107a_ATLAS_5 (Pythia8.308 , Tauola1.1.9) contains MR: https://gitlab.cern.ch/atlas/athena/-/merge_requests/78917 bb4l modified: transform FATAL messages into WARNING - AGENE-2327 https://gitlab.cern.ch/atlas/athena/-/merge_requests/78970 Possible specification of 5FS via PDG IDs https://gitlab.cern.ch/atlas/athena/-/merge_requests/78965 Adding HITS and RDO to HEPMC conversion to Reco_tf and stand-alone app https://gitlab.cern.ch/atlas/athena/-/merge_requests/79023 Rivet_i: Fix link in LTO build. https://gitlab.cern.ch/atlas/athena/-/merge_requests/79038 Remove GeV https://gitlab.cern.ch/atlas/athena/-/merge_requests/79044 GeneratorFilters: Migrate TruthParticleSlimmer Algorithms to use Read/WriteHandleKeys https://gitlab.cern.ch/atlas/athena/-/merge_requests/79018 convert SplitPhotonFilter to xAODSplitPhotonFilter https://gitlab.cern.ch/atlas/athena/-/merge_requests/79156 GeneratorObjects: Fix cppcheck 2.17 warning. https://gitlab.cern.ch/atlas/athena/-/merge_requests/79104 GeneratorFilters: allow to use old filters for HepMC3, add Gaudi::Units::GeV to common fragments, adding CopyEventStreamInfo tool in other skel. https://gitlab.cern.ch/atlas/athena/-/merge_requests/79117 New Pythia8_i UserHook WprimeWZFlatPtMass6 added per AGENE-2337. https://gitlab.cern.ch/atlas/athena/-/merge_requests/79135 Clean-up syntax for xAOD::Truth-based GeneratorFilters Algorithms (part 3) https://gitlab.cern.ch/atlas/athena/-/merge_requests/79255 add common fragment for the xAODSplitPhotonFilter https://gitlab.cern.ch/atlas/athena/-/merge_requests/79314 Purge unstable particle also for Herwig7 https://gitlab.cern.ch/atlas/athena/-/merge_requests/79283 Fix bug in LHEFilters, add filter on number of lhe particles https://gitlab.cern.ch/atlas/athena/-/merge_requests/79328 EvgenJobTransforms: remove unneeded part that crashes LHE-only productions https://gitlab.cern.ch/atlas/athena/-/merge_requests/79208 MCTruthClassifier const references