Andrew focused on backend stability improvements for the music-assistant/server repository, addressing playback issues with Spotify Connect. He refined event handling logic in Python to ensure that trailing 'sink' events were ignored when a session was disconnected, preventing playback thrashing and accidental session reactivation. By implementing robust session state checks and improving the handling of asynchronous events, Andrew reduced playback interruptions and user-visible churn during transitions. His work involved API integration and careful management of event-driven backend processes, resulting in a more stable baseline for Spotify-related features. The depth of his contribution lay in targeted bug fixes and technical debt reduction.