Rosina Baumann focused on stabilizing cross-environment behavior in the hlrs-vis/covise repository, addressing compatibility issues between Wayland and X11 display servers. She improved the CMake build system by ensuring robust inclusion of the nlohmann_json library, which resolved linking issues during configuration. Her work involved C++ development and build system configuration, targeting reliable builds and runtime performance across different environments. By adding error handling for unsupported GLX-based VSync and refining session management, Rosina reduced environment-specific failures. The depth of her work is reflected in the targeted bug fix, which enhanced reliability for both developers and end-users in multi-environment deployments.