React Concurrent Features Full Reference : See advanced.md for advanced concurrent patterns including priority-based updates, optimistic updates with transitions, router integration, form actions, and debugging techniques. Deep Knowledge : Use with technology: , topic: for comprehensive documentation. When NOT to Use This Skill Skip this skill when: - Using React 17 or earlier (not available) - Building simple apps with fast renders - All state updates are already fast (< 16ms) - Working with non-React frameworks - Server Components handle the work (Next.js App Router) Overview Concurrent Rea…