During October 2025, Ben Kangpeng focused on stabilizing the FFI boundary in the apache/tvm repository by refining the tensor.py module. He removed obsolete axis-related properties from BaseComputeOp and ScanOp, addressing remnants from earlier refactoring that risked API drift and confusion. Using Python and leveraging skills in code cleanup and refactoring, Ben corrected a critical bug affecting axis and reduce_axis properties, which had been introduced during previous FFI integration work. His targeted changes improved API clarity and reliability, reducing maintenance overhead and preventing downstream breakages for model compilation pipelines, reflecting a thoughtful and detail-oriented approach to regression prevention.