During October 2025, Ben Kangpeng focused on stabilizing the FFI boundary in the apache/tvm repository by refining the tensor.py module. He removed unused axis-related properties from BaseComputeOp and ScanOp, addressing remnants from previous refactoring to prevent API drift and confusion. Using Python and applying code cleanup and refactoring skills, Ben corrected a critical bug introduced during earlier FFI changes, restoring the integrity of axis and reduce_axis properties. His targeted updates improved API clarity and reliability, reducing maintenance overhead for downstream tooling and model compilation pipelines. The work demonstrated careful attention to regression prevention and sustainable API design practices.