During their work on the AFLplusplus/LibAFL repository, Gulakov focused on stabilizing macOS builds by addressing a persistent bug affecting the compilation and execution of libfuzzer_libpng examples. Using Shell scripting and expertise in build systems and dependency management, Gulakov updated libpng and zlib versions, resolving issues such as the redefinition of fopen and a test-only failure related to feenableexcept. They introduced a variable-based approach to version extraction, simplifying future updates and reducing maintenance overhead. This targeted engineering improved cross-platform reliability, enhanced CI maintainability, and accelerated onboarding for macOS developers, demonstrating depth in build system troubleshooting and dependency management.