TanStack Query Optimistic Updates: Rollback in 2026
June 24, 2026
Optimistic updates in TanStack Query (React Query) with useMutation: cancelQueries, snapshot, setQueryData, and automatic rollback when a request fails.
#react-query
TanStack Query + Next.js 16 App Router Prefetch (2026)
June 17, 2026
Prefetch TanStack Query v5 on the server in the Next.js 16 App Router, then hydrate with HydrationBoundary: no spinners, no double fetch. Runnable 2026 guide.