Alexy Pellegrini worked on stabilizing the ITK wrapping and build pipeline in the InsightSoftwareConsortium/ITK repository, focusing on improving Python integration and reducing build failures. He addressed wrapping build conflicts by separating per-module .castxml.inc generation, which prevented file overwrites and rebuild issues. Using CMake and C++, Alexy enabled Python wrapping for the ITKVtkGlue module with compatibility for VTK 7.0 and above, updating the build system to locate necessary VTK libraries and handle older versions gracefully. His targeted build system improvements enhanced maintainability and provided a smoother experience for downstream users integrating ITK with Python and VTK.