During January 2026, Klintan contributed to the slint-ui/slint repository by enhancing UI visual consistency in the Qt backend. Focusing on design system alignment, Klintan implemented a theming improvement using Rust, updating the alternate background handling to leverage QPalette::AlternateBase. This adjustment ensured more uniform backgrounds across UI components, improving both user experience and maintainability without introducing breaking changes. The work was fully traceable and integrated cleanly into the existing codebase, reflecting a thoughtful approach to UI development. While the contribution was limited to a single feature, it addressed a clear design need and demonstrated solid technical execution.