Worked on enhancing the reliability of the AudioServer lifecycle within the godotengine/godot repository by addressing a critical shutdown issue. Focused on C++ development and audio programming, the work involved implementing a cleanup mechanism to safely release references before the AudioServer singleton was removed. This approach prevented potential null pointer dereferences during shutdown, improving overall teardown stability and reducing crash risk for dependent objects. The solution demonstrated careful system design and robust reference management, resulting in a smoother developer experience and stronger code safety patterns. The changes contributed to more reliable shutdown processes and improved maintainability for the codebase.