Set your host resolution to match your target client device (e.g., for Steam Deck or for Switch) to avoid scaling issues .
If you experience stuttering or "washed out" colors, disable HDR in the Moonlight settings. Final Pair & Connection: Launch the app and select your host PC from the list.
Ensure your host PC has Sunshine or NVIDIA GameStream enabled.
Error - mode 1280x720x60 not supported · Issue #145 - GitHub