Why does dispatching in render cause an infinite loop?
Because dispatching updates state, which triggers a re-render, which dispatches again, and so on. Dispatch in event handlers or effects, never in the render body.
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More FAQs in Common Redux Mistakes That Make React State Hard to Manage
Usually because you are selecting too much state. Using useSelector to select a large object when you need one field causes re-renders whenever any part changes. Select only the specific data you need.
RTK uses Immer internally, so you can write mutating-looking code like state.items.push(item) safely. But you should know this is happening. In classic Redux without Immer, mutating state directly causes bugs.
No. UI state like a modal open flag often belongs in local component state. Reserve Redux for genuinely shared, complex state. Putting everything in Redux adds unnecessary complexity.
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