react-start/server-components

You can render React Server Components using TanStack Start by importing renderServerComponent, createCompositeComponent, and CompositeComponent from @tanstack/react-start/rsc, then wiring a route loader to render the RSC from a server function.

The best way to handle data loading for React Server Components is ensuring correct ownership of data and caching via route loader, Query, or HTTP caches, maintaining proper server function and route loader boundaries.

Yes, you need TanStack Start with RSC enabled to use React Server Components, which allows efficient server-first rendering, progressive streaming, and cross-runtime packaging using TanStack Start with RSC transport.

Yes, you can use composite components with TanStack Start RSC for progressive streaming by building RSC fragments with createCompositeComponent and server functions, enabling efficient component composition and streaming.

To set up cross-runtime integration for TanStack Start React Server Components, use TanStack Start with RSC enabled and apply patterns for cross-runtime packaging using TanStack Start with RSC transport.

You should not use server functions for data fetching in TanStack Start when correct ownership of data and caching requires route loader, Query, or HTTP caches instead, maintaining proper server function and route loader boundaries.