In April 2025, Tudor Ciuciuc delivered OpenRTB 2.6 support for the Criteo bidder within the prebid/prebid-server repository, focusing on enhancing compatibility and privacy controls. He implemented new YAML configuration files to support the Global Privacy Platform and multi-format ad requests, enabling broader integration with demand partners. Leveraging his skills in configuration management and expertise with YAML, Tudor’s work improved interoperability and expanded feature coverage for publishers. The project addressed evolving privacy requirements and multi-format needs, though the scope was limited to a single feature over one month, reflecting targeted depth rather than breadth in engineering contributions during this period.