> To make way for Apple Upgrade — a new experience that offers more products and terms that work for you — we’re saying goodbye to the iPhone Upgrade Program.
https://www.apple.com/shop/apple-upgrade
It looks like this leasing program is just moving into a more generic/Apple-wide offering... not sure if the fine print changes.
[edit: from the comments, it sounds like the difference is it was previously 0% interest financing and no longer is]