The 3rd CODECO Plenary Meeting was held on 4th-5th July 2023 at the University of Piraeus and served as a key milestone to assess project progress and coordinate upcoming activities. Over two days, partners exchanged updates on management and technical developments, including core platform components, architectural design, experimentation frameworks, and ecosystem and exploitation planning. The meeting enabled focused discussions on achievements, challenges, and priorities, helping to align partners on next steps and ensure continued momentum across the project.