During April 2025, A00838713 enhanced the AES MixColumns module in the Matziaz/TE2002B repository, focusing on both cryptographic correctness and code maintainability. They implemented optimized Galois Field (GF(2^8)) multiplication and addition, introducing explicit logic for 2- and 3-multiplier operations within VHDL. Their approach consolidated related updates into a single, traceable feature, improving future maintainability and easing code review. The work also included formatting and documentation improvements, making the digital design more accessible for future enhancements. No major bugs were addressed, but minor fixes were integrated within the feature updates, reflecting a thorough and detail-oriented engineering process.