Gaetan Fuss focused on modernizing the build system for the GEOS-DEV/thirdPartyLibs repository, delivering a targeted architectural cleanup that improved reliability and developer onboarding. He removed legacy Pangea 3 configurations and Dockerfiles, reducing the build surface area and maintenance overhead for remaining components. This work streamlined the CI/CD pipeline and simplified containerization workflows, making the build process faster and easier to maintain. Using Dockerfile and YAML, Gaetan’s changes were version-controlled and documented in a single commit, reflecting a thoughtful approach to technical debt reduction. The project emphasized build-system modernization and workflow cleanup rather than feature expansion or bug fixing.