Extension Redux state and selectors: reducer purity, keeping non-serializable values out of the store, normalization, Immer, batching, identity output selectors. Use when components re-render on unrelated state changes, a selector returns a fresh identity every call, or state is mutated in a reducer. Memoization goes to `perf-rendering`.
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---
name: perf-state-management
description: >
Extension Redux state and selectors: reducer purity, keeping non-serializable values out of
the store, normalization, Immer, batching, identity output selectors. Use when components
re-render on unrelated state changes, a selector returns a fresh identity every call, or
state is mutated in a reducer. Memoization goes to `perf-rendering`.
base: true
---
