The issue regarding the lack of screen boundary detection for the Lightweight RadContextMenu when GroupSettings-Height is set has been marked as Won't Fix due to consistently low interest from the community since it was reported in 2015.

Feel free to cast your vote, and we may reconsider this item if there is increased interest in the future. Additionally, don't hesitate to open a ticket if you need assistance with a workaround.

Thank you for your understanding.