Florian Schwendinger prepared the ERGO-Code/HiGHS repository for CRAN submission by focusing on code cleanup and formatting over a one-month period. He addressed packaging requirements by removing trailing newlines, standardizing file endings, and adding missing function declarations in C and C++ header and source files. His work emphasized build system integration and cross-platform compatibility, ensuring the codebase met CRAN’s strict standards for distribution. All changes were consolidated into a single, well-documented commit to maintain traceability and minimize risk. While no functional bugs were addressed, Florian’s efforts improved code hygiene and packaging reliability for future releases of HiGHS.