Developed a core platform feature for the microsoft/vcpkg repository by enabling multithreading support in the open62541 library. This work introduced a new CMake option, allowing client applications to leverage concurrent execution for improved performance and scalability. The implementation focused on C++ and build systems, ensuring seamless integration with existing workflows and future extensibility. Throughout the month, attention centered on delivering this feature with an emphasis on code quality and maintainability, rather than addressing bug fixes. The result was a targeted enhancement that aligns with business goals of optimizing client application efficiency through robust build system and CMake configuration improvements.