At What to Expect for cPanel Wordpress Integration in 2018 | cPanel Blog it says:
Staging to Production Cloning
Site administrators will have the ability to stage changes to their sites in a staging area, then migrate the changes to their production site with the click of a button.
Any idea when we might be able to expect this feature?Site administrators will have the ability to stage changes to their sites in a staging area, then migrate the changes to their production site with the click of a button.