based on LCG_107a_ATLAS_7 with Pythia8.314 contains MRs: https://gitlab.cern.ch/atlas/athena/-/merge_requests/79421 GeneratorFilters: Uninitialized variable. https://gitlab.cern.ch/atlas/athena/-/merge_requests/79415 Fixed string checks for a semileptonic decay option to now check for a correct string. https://gitlab.cern.ch/atlas/athena/-/merge_requests/79451 IIOHepMcTool: cleanup interface https://gitlab.cern.ch/atlas/athena/-/merge_requests/79450 Pythia8_i: use auto-declaring interface https://gitlab.cern.ch/atlas/athena/-/merge_requests/79490 GeneratorFilters+IsolationSelection: Naming conventions. https://gitlab.cern.ch/atlas/athena/-/merge_requests/79473 Remove delete p_sherpa for MP running https://gitlab.cern.ch/atlas/athena/-/merge_requests/79574 Fix of Hto4lControl code to allow generation in mc23 https://gitlab.cern.ch/atlas/athena/-/merge_requests/79672 LCG_107a_ATLAS_7: switch to a new layer