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A small application is being migrated to Zustand incrementally, replacing local state in isolated components without stopping the app. The application runs React 18 with Strict Mode enabled in development, so components mount, unmount, and remount. The goal is to determine whether store subscriptions created by the Zustand hook are cleaned up reliably betwee
We are planning a React 18.x upgrade for a small application to adopt Concurrent Rendering and automatic batching while keeping the service continuously available. The intended path is to replace ReactDOM.render with the createRoot API from react-dom/client, but the existing tree mixes class components with third-party libraries whose concurrent compatibilit
Goal is to use Framer Motion layout animations and Presence mount and unmount handling in a React 18 application that server renders pages and hydrates on the client. The intent is to keep declarative animation props on motion components while relying on React 18 concurrent mode for rendering. Constraints involve the integration boundary between Framer Motio
Scenario I have a React 18 app (concurrent renderer) where a single user action applies a "schema change" to local UI state: several components update their shape at once, driven by multiple setState calls, and a companion async fetch validates the new schema. If that fetch rejects, I want the UI to return to the previous consistent state rather than showing
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