During November 2024, David Weber focused on enhancing the reliability of ROOT data ingestion in the andiwand/acts repository. He addressed a critical bug in C++ by implementing a safety check that ensures the input chain is properly initialized and filled before any data access occurs. This approach prevented potential out-of-bounds errors when using m_inputChain->GetV1(), thereby safeguarding data integrity during batch processing. David’s work centered on robust bug fixing, data handling, and file I/O, resulting in a more stable analytics pipeline. The depth of his contribution lay in proactively mitigating crash risks and improving the robustness of downstream data workflows.