Shubha Agarwal contributed to the quic/efficient-transformers repository by addressing a critical bug in the QNN Data Format Configuration Generator. She modified the Python script responsible for generating configuration files, ensuring compatibility with ONNX graphs that do not expose past_key and past_value outputs. Her work included updating the documented default parameters for both the QNN converter and context binary stages, aligning them with the new configuration logic. Using her skills in Python development, configuration management, and documentation, Shubha validated the changes through continuous integration and testing, resulting in a more stable data-format pipeline and improved reliability for production deployments.