Worked on the dotnetcore/BootstrapBlazor repository to deliver enhancements to UI components focused on data-driven user experiences. Developed new features for the SelectTree component, enabling support for asynchronous data sources and improving default value initialization when loading async data, while also adding a parameter to control data reset behavior on page refresh. Introduced a generic RadioList component to support various item types and enhanced CheckboxListGeneric to handle nullable TValue types, increasing flexibility and type safety. Utilized Blazor, C#, and Razor to implement these features, applying component development and generic programming techniques to improve developer ergonomics and application extensibility.