During June 2025, Daniel Lockhart enhanced the google/xls repository by introducing multidimensional array support within the MLIR dialect. He refactored array shape representation from a single element count to a shape array, enabling more expressive and robust handling of ND arrays. Using C++ and MLIR, Daniel implemented a dedicated verifier for ArrayOp, ensuring operand and result counts, as well as nested return types, conformed to multidimensional semantics. He updated the test suite to reflect these changes, improving early detection of misuses and regressions. This work deepened the type system and verification capabilities for compiler development in the project.