During March 2026, Math BeWithCode enhanced the CSerialPort library in the xmake-io/xmake-repo by introducing a UTF-8 encoding configuration and enabling dual-build support for the C API. Working primarily with Lua and CMake, Math focused on improving cross-platform compatibility and future-proofing the build process. The new feature allows users to select UTF-8 character encoding, addressing internationalization needs, while the dual-build support ensures both shared and static builds are possible, streamlining packaging and deployment. All changes were consolidated into a single, cohesive commit, reflecting a focused and well-scoped engineering effort that addressed practical build-time scenarios for library consumers.