During the month, contributed a parser enhancement to the OPM/opm-common repository, focusing on extending configuration compatibility for simulation workflows. The work involved updating the C++ codebase to support the new GEFAC keyword within the ACTIONX block, ensuring that configuration files using GEFAC are correctly recognized and processed. This targeted feature addition improved the parser’s robustness, reduced parsing-related user errors, and streamlined onboarding for users adopting updated ACTIONX configurations. Emphasizing codebase maintenance and clear documentation, the changes maintained overall system stability while extending functionality, resulting in smoother integration of new configuration standards without introducing regressions or requiring major bug fixes.