Patch Changes
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#8010
5253e70- perf: speed up structural sharing (replaceEqualDeep) by computing enumerable own keys withObject.keys+ a length compare instead ofgetOwnPropertyNamesfollowed by apropertyIsEnumerablecall per key. This runs on every selector result on every state update whendefaultStructuralSharingis enabled, and is ~1.3-1.5x faster on typical router state objects with identical behavior.