During June 2026, contributed two core enhancements to the tidal-music/tidal-sdk-ios repository, focusing on audio programming and build process optimization using Swift and Swift Package Management. Developed an API for macOS that allows applications to route audio playback to a specific Core Audio device, enabling bit-perfect output and persistent device selection through AVQueuePlayerWrapper, while maintaining a no-op on iOS. Additionally, improved developer productivity by refining the Swift Package Manager configuration to exclude non-essential files, eliminating hundreds of build warnings without altering runtime behavior. These changes addressed both media fidelity for end users and workflow efficiency for the development team.