When the email address field is added after a batch has been created, email addresses are not added to constituent records when the batch is committed.
We’re currently evaluating this issue for a fix in a future release.
Steps to Duplicate
1. Add a new constituent update batch without the email address field included. 2. Customize fields and add the email address to the new batch. 3. Add a constituent to the batch row and add a new email address. 4. Commit the batch and note the email address is not added to the constituent.