[v34.0] Release date: 2023-06-06 *Core CHANGE: (!440) Delphes Application: After looking in the local folder, look up the pythia cards in outside folder defined by OperationsOption "/ProcessList/PythiaCardsLocation". Reading the pythia card, check if it contains the same energy specified for the output path. CHANGE: (!440) Gaudi Application: When using Delphes, after looking in the local folder, look up the pythia cards in outside folder defined by OperationsOption "/ProcessList/PythiaCardsLocation". Reading the pythia card, check if it contains the same energy specified for the output path. FIX: (!437) Update release notes NEW: Depend on DIRAC version 7.3 NEW: Python3 only NEW: (!430) Addition of some functionalities to the Gaudi Application interface. NEW: (!430) Correct paths for storing FCC simulations outputs. NEW: (!430) Implementation of the Delphes Application interface. NEW: (!440) Documentation for FCC production code. FIX: (!421) client installation: corrected (a typo in) the URL of the configuration service, fixes problems during dirac-configure. *Interfaces FIX: (!447) Setting extensions of Gaudi and Delphes applications to 'root' for production output definitions. *Workflows FIX: (!444) Putting randomSeed modulo 900000000 in the Pythia cards to avoid having a random seed bigger than the Pythia limit.