During January 2025, Bill Hoffman focused on enhancing cross-platform reliability in the espressif/llvm-project repository by addressing a critical bug in the -print-library-module-manifest-path command. He corrected the manifest search path logic on macOS to ensure consistent behavior with Linux, implementing platform-agnostic file resolution using C++. This work involved refining build system logic and compiler development practices to support robust module manifest discovery across different operating systems. Bill also introduced automated tests to verify the fix, improving CI stability and developer workflows. His contribution demonstrated depth in cross-platform development and careful attention to compatibility and maintainability within complex build environments.