Ankus worked on backend robustness improvements for the mozilla/onnxruntime repository, focusing on enhancing compatibility between the MaxPool operator and the QNN backend. By removing an assertion that previously blocked the use of auto_pad='VALID', Ankus enabled support for zero-padding configurations, which improved interoperability with the QNN execution provider. The solution was implemented in C++ and involved careful unit testing to ensure no regressions in related functionality. Although the work addressed a specific bug rather than introducing new features, it demonstrated a thoughtful approach to backend development and contributed to more flexible operator support within the ONNX Runtime codebase.