During June 2025, Juan Franco focused on improving the MLIR dialect printing for the google/xls repository. He addressed a subtle but impactful bug in the C++ codebase, removing a spurious closing parenthesis from the printing logic for xls.schan operations. This targeted patch ensured that the intermediate representation output remained correct and consistent, which reduced confusion for downstream tooling and improved overall maintainability. Juan applied his expertise in compiler development and MLIR to enhance the reliability of IR formatting, demonstrating careful attention to detail and a strong understanding of how precise output affects the broader MLIR-based xls dialect ecosystem.