I believe defaultValue should be the DEFAULT. That means, if NO initialValue was passed in, the defaultValue would be used. If there is an initialValue, it should override the defaultValue. One work around is using an OR in initialValues and skip using defaultValue all together like so:

[tulsiempyreal]

          I believe defaultValue should be the DEFAULT.  That means, if NO initialValue was passed in, the defaultValue would be used.  If there is an initialValue, it should override the defaultValue.  One work around is using an OR in initialValues and skip using defaultValue all together like so:

const initialValues = { name: item.name || defaultName }

The only problem with this if you need the field to be dirty like defaultValue sets it, you wont get it with this method.

Originally posted by @dprea in https://github.com/final-form/react-final-form/issues/387#issuecomment-509827508