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Why do deeply nested state updates require immutable patterns?

Mid React

Answer

React relies on reference comparison. Mutating nested objects keeps the same reference, preventing re-rendering. Spreads or immutable helpers create new references.
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SugharaIQ Editorial Team Verified Answer

This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.

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Source: SugharaIQ

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