In January 2026, Shiva Duke focused on enhancing the ghostty-org/ghostty text renderer by implementing a rendering update that introduced underlining for preedit text, replacing the previous color inversion approach. This change improved readability and accessibility while maintaining the original color scheme, ensuring visual consistency throughout the UI. Shiva utilized Zig and graphics programming skills to modify the rendering logic, delivering a targeted, low-risk feature that addressed user experience concerns. The work demonstrated a thoughtful approach to UI development, with clear commit traceability and a well-scoped solution that improved text visibility without introducing regressions or altering existing color behavior.