react-hook-form handle it with useFieldArray.
formik handle array fields with FieldArray
Nested Array Validation
react-hook-form by default validate input inSubmit only.
To enable it on other events, you need custom changes.
formik by default validate input in all events.
Integrate with Material UI
react-hook-form we can integrate external controlled components like
react-select with Controller
formik you can render external controlled component by itself. Look at example