Renaud focused on enhancing the reliability of terminology validation in the ehrbase/ehrbase repository by addressing a critical bug in the FhirTerminologyValidation workflow. He improved the extraction of the validation URL by replacing fragile string manipulation with robust Java URI component parsing, ensuring accurate retrieval even when additional query parameters are present. This backend development work, leveraging Java and API integration skills, directly improved data integrity and reduced downstream interoperability errors. Although no new features were added during this period, Renaud’s targeted bug fix demonstrated careful attention to backend correctness and adherence to best practices in unit testing and data integration.