During October 2024, ws@rot13.io enhanced the user interface of the GTNewHorizons/ServerUtilities repository by implementing a vanilla tooltip rendering approach for sidebar buttons. Using Java and Gradle, they refactored the tooltip logic to address Z-height rendering issues, ensuring tooltips display correctly and are not obscured by other UI elements. Their work focused on improving UI consistency and interaction responsiveness, which reduced user friction and simplified future maintenance. By updating dependencies and applying build scripting and dependency management skills, ws@rot13.io delivered a more stable and maintainable codebase, though their contributions were limited to a single feature during this period.