Godelaine Demontmorillon contributed to the powsybl-open-rao and pypowsybl repositories by developing features that improved release management and enhanced sensitivity analysis workflows. In powsybl-open-rao, Godelaine updated release configurations and versioning to streamline the v6.3.0 and v6.4.0 development cycles, ensuring traceability and smoother downstream adoption. For pypowsybl, Godelaine introduced new sensitivity analysis thresholds and refactored parameter handling in the OpenRao module, enabling more granular and accurate network studies. The work involved API development and system integration using Python, Java, and C++, demonstrating a focus on maintainability and reliability in complex power system analysis environments.