React Server Components allow the developer to mix the fast server-side rendering with the interactivity of client-side JavaScript.
So far modern JS frameworks were explicitly operating on the client (with SSR being an optional feature). With server-components it's the opposite - RS Cs introduce a new mental model for building hybrid applications that leverage both the server and the client.
The main advantages of the React Server Components are that:
Title basically says it all. Issue can be easily observed in the basic Multiselect with virtualization example:
What seems strange is that I cannot reproduce this issue with the combobox virtualization, although I found a somewhat similar bug submitted for the combobox - https://github.com/telerik/kendo-react/issues/1450