What problem does it solve? Choosing the right React stack in 2025-2026 is overwhelming: Create React App is deprecated, and developers must pick between frameworks like Next.js and Remix, build tools like Vite and Turbopack, routers like React Router and TanStack Router, and state libraries like Redux, Zustand, and TanStack Query. This Skill provides an opinionated, up-to-date decision guide so you start projects on the right foundation. ## Core Features & Use Cases - Stack Selection Guidance: Clear recommendations for when to use Next.js, Remix, or a custom Vite setup based on SSR, SEO, and app-type requirements. - Tooling Comparisons: Covers Vite vs. Turbopack vs. Webpack, React Router vs. TanStack Router, and Redux vs. Zustand vs. TanStack Query with concrete code examples. - React 19 Modern APIs: Explains ref-as-prop, use(), Actions, useOptimistic, and the React Compiler with working snippets. - Use Case: You are starting a new internal dashboard and are unsure whether to adopt Next.js or a Vite SPA. This Skill walks you through the trade-offs and gives you a Vite + TanStack Router + TanStack Query setup with testing via Vitest. ## Quick Start Ask the assistant to recommend a React stack for a new project, describing whether it needs SSR, SEO, or is an internal SPA.