Marcel Fernandes focused on stabilizing polygon workflows in the dsgoficial/DsgTools repository by addressing a crash that occurred when constructing polygons from empty layers. Using Python and leveraging his expertise in QGIS plugin development and geospatial analysis, he implemented a targeted bug fix that introduced robust input validation and graceful handling of empty data. This update, released as version 4.17.8, improved the reliability of automated pipelines and enhanced the end-user experience when working with empty-layer data. Marcel’s work demonstrated careful attention to edge cases and contributed to the overall stability and maintainability of the plugin’s polygon construction routines.