diff --git a/.changeset/rare-cars-compete.md b/.changeset/rare-cars-compete.md
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+---
+'formik': patch
+---
+
+Revert `FieldArray` "shouldComponentUpdate" performance optimization. As it turns out, it's a common use case to have JSX controlled via non-Formik state/props inside of `FieldArray`, so it's not safe to cancel re-renders here.