There are numerous reasons why we want to change our existing URL slug for a new one.
If you created a post with a specific URL and later want to change it, like:
This feature will automatically redirect the old URL to the new one.
This is important when you have already added internal links to the old URL and if you are currently ranking for that old URL.
Redirection can help migrate the URL and still rank for it. and all of the internal links you have built, you can change them later without causing any broken links