During March 2026, Sndnvaps developed and integrated Modbus-pico library support for the arduino/library-registry, focusing on enabling ESP32S3 compatibility. Their work involved updating C++ code to resolve build errors in espsoftwareserial by introducing Esp_circular_queue and refining related dependencies. Sndnvaps also managed repository metadata, ensuring that repositories.txt accurately reflected new integrations and streamlined future Modbus deployments. By concentrating on ESP32 development and library management, they improved build stability and maintained alignment across the codebase. The depth of their contribution is reflected in the careful handling of both technical dependencies and repository structure, supporting maintainable and scalable library integration workflows.