Davide Savarro focused on enhancing data visualization reliability in the JakobKirschner/pandapower repository, addressing a persistent issue with colorbar display in pf_res_plotly line plots. Using Python and Plotly, he delivered a targeted bug fix that corrected how coordinates for an invisible marker were retrieved and linked to the scatter trace, ensuring the colorbar accurately reflected line data. This adjustment improved the clarity and interpretability of power system analysis results, reducing user confusion and support requests. Davide’s work demonstrated careful debugging and a strong grasp of plotting libraries, contributing to the maintainability and user experience of the visualization tool.