During May 2025, CodingCapybara focused on improving build stability and cross-platform test compatibility for the swiftlang/swift-corelibs-libdispatch repository. Addressing a specific issue affecting FreeBSD test builds, they implemented a targeted bug fix by conditionally including sys/sysctl.h in the dispatch_test.h header, enabling sysctlbyname support. This change enhanced continuous integration reliability and ensured consistent behavior across operating systems. Working primarily in C and leveraging expertise in build systems and testing, CodingCapybara’s contribution, while limited in scope, demonstrated careful attention to platform-specific requirements and improved the robustness of the test suite. The work reflected a methodical approach to cross-OS compatibility challenges.