In April 2025, Morten H. Eriksen enhanced the umbraco/Umbraco.UI repository by developing a unified UI theme and color system, focusing on improving consistency, accessibility, and branding flexibility across the platform. Using TypeScript, CSS, and web components, he aligned the date picker and other UI elements with theme-driven color tokens and introduced a configurable color scheme option. He also addressed dark theme compatibility for the color picker, ensuring that theme variables consistently drive styling and preview controls. This work reduced UI drift, streamlined client branding updates, and strengthened the design system, reflecting a focused and in-depth approach to front-end development.