During November 2024, Gabriel Ribeiro focused on enhancing the reliability of Probabilistic History Matching workflows in the ESSS/alfasim-sdk repository. He addressed a critical issue in the HM results reader by correcting data shape handling, ensuring that simulation outputs are processed accurately for downstream analytics. Using Python and leveraging skills in bug fixing, data reading, and testing, Gabriel validated the solution through targeted testing and clear documentation. His work improved the stability and maintainability of the HM data pipeline, reducing the risk of incorrect analyses and supporting more robust simulation results for users relying on the alfasim-sdk platform.