On a domain's DNS page, a name, value or TTL changed in the list, Remove, and Take manual control now update DNS records in place. The page used to reload after each one. If you are already editing another value when a save finishes, the list waits until you are done.
Editing a DNS record no longer reloads the page
Changing a record's value in the list, removing a record or taking manual control now updates DNS records without reloading the page.