![React Query Stale Data: Why It Shows Old Data & How to Fix It [2026]](https://cdn.asepalazhari.com/images/articles/development/react-query-stale-data-issue.png)
· Asep Alazhari · Web Development
React Query Stale Data: Why It Shows Old Data & How to Fix It [2026]
React Query showing stale or outdated data on first render, but refreshing correctly after navigation? This guide covers query key issues, staleTime misconfiguration, and placeholder data pitfalls — with code fixes for TanStack Query v4 and v5.