contains MRs: https://gitlab.cern.ch/atlas/athena/-/merge_requests/81714 main-cppcheck-BeamHaloGenerator https://gitlab.cern.ch/atlas/athena/-/merge_requests/81715 Pythia8_i further fixes for > v.8.314: Version check and revert back to the old default for the recoil strategy of FSR https://gitlab.cern.ch/atlas/athena/-/merge_requests/81777 main-cppcheck-GeneratorObjects https://gitlab.cern.ch/atlas/athena/-/merge_requests/81779 Patch for Monopoles being BSM https://gitlab.cern.ch/atlas/athena/-/merge_requests/81799 AtlasPID: Add test for Monopole PDGID after !81779 https://gitlab.cern.ch/atlas/athena/-/merge_requests/81833 GeneratorObjects: Remove obsolete / unused dictionary code. https://gitlab.cern.ch/atlas/athena/-/merge_requests/81786 python lint errors - mostly logging args https://gitlab.cern.ch/atlas/athena/-/merge_requests/76135 xAOD::Truth minimal migration https://gitlab.cern.ch/atlas/athena/-/merge_requests/81984 main-cppcheck-BeamHaloGenerator https://gitlab.cern.ch/atlas/athena/-/merge_requests/82109 Make test_full_chain_min_bias.sh executable https://gitlab.cern.ch/atlas/athena/-/merge_requests/82095 Forward Compatibility with the new xAOD::Truth EDM (23.0.20-patches) https://gitlab.cern.ch/atlas/athena/-/merge_requests/82147 EvgenJobTransforms+more: Fix ill-formed ItemLists https://gitlab.cern.ch/atlas/athena/-/merge_requests/82131 remove unneeded from __future__ imports https://gitlab.cern.ch/atlas/athena/-/merge_requests/82172 Reducing verbosity of generic truth particle slimmer https://gitlab.cern.ch/atlas/athena/-/merge_requests/82192 EvgenProdTools: LogicalExpressionFilter remove algorithm creation by name https://gitlab.cern.ch/atlas/athena/-/merge_requests/82218 EvgenJobTransforms: add additional transform parameter https://gitlab.cern.ch/atlas/athena/-/merge_requests/74705 HepMC::is_same_particle/is_same_vertex: use methods from the StatusBased namespace https://gitlab.cern.ch/atlas/athena/-/merge_requests/82296 SimulationConfig+ParticleGun: Make time and x position configurable for Test Beam https://gitlab.cern.ch/atlas/athena/-/merge_requests/82415 Projects: Update to LCG_108_ATLAS_3 and externals 2.1.62