In April 2025, A00838713 enhanced the AES MixColumns module in the Matziaz/TE2002B repository, focusing on both cryptographic correctness and code maintainability. Using VHDL and leveraging expertise in cryptography and digital design, they optimized Galois Field multiplication and addition by implementing explicit logic for 2- and 3-multiplier operations. The work consolidated related updates into a single, traceable feature, improving future maintainability and easing code review. While no major bugs were addressed, minor fixes were integrated within the feature commits. The result was a more robust AES pipeline with clearer documentation and improved readiness for future performance tuning.