Worked on the godotengine/godot repository to improve the stability of Wayland session handling by addressing a duplicated-branches issue in the WaylandEmbedder class. Applied C++ development and debugging skills to deliver a targeted patch that clarified message pathways, preventing duplication and misrouting of messages within the embedder interface. Focused on system programming principles to enhance interface robustness, reduce runtime issues for users, and lower future maintenance costs. Documented the rationale behind the fix and ensured comprehensive test coverage for message handling paths, contributing to the maintainability and reliability of the codebase without introducing new features during the period.