The phrase "final edit" refers to the last round of changes or corrections made to a document or project before it is considered complete and ready for use or publication.
The author becomes anxious to make it to the finish line and fails to conduct a comprehensive final edit of their book before publishing it. (happyselfpublishing.com)
I'm currently finishing final edits on the first book in my next series. (kristastreet.com)
For over 6 months, while the book was in final editing, I read absolutely everything I could about publishing. (womensmemoirs.com)