Pedro Osorio developed version-specific handling for HEIDI within the multifluid IM-GM coupling in the SWMFsoftware/SWMF repository, focusing on scientific computing and numerical simulation using Fortran. He updated the CON_couple_gm_im.f90 module to conditionally set NameVar and nVarImGm based on NameVersionIm, ensuring that HEIDI-enabled runs use the correct variable set. This approach improved runtime correctness and stability for HEIDI simulations and established a foundation for consistent multi-version support. Pedro’s work addressed potential variable mismatches across versions, demonstrating a thoughtful approach to maintainability and correctness in complex scientific codebases, though the scope was limited to a single feature.