I understand how this feature would be beneficial to you and your business. The current investigation about this issue has been determined as working as designed. With that being said, within the Bill screen, you'll select the option "Mark as paid" when making a bill payment. On the Expense screen, you'll see the option "Schedule payment" under the Action column, and you'll pick the black drop-down arrow and go to "Mark as paid".
You can also check out this article as it has additional information with what's new about the product as well: QuickBooks Blog.
Feel free to comment below if you have any more questions or concerns. I'm always here to help. Have a safe and productive rest of your day.