Quickly See Your Completed Tasks
Speaking of built-in smart lists, Apple has added another very useful one to the mix: Completed tasks.
Before iOS 16, seeing your completed tasks required that you visit each individual list and toggle on Show Completed from the menu. With iOS 16, you’ll be able to see them all in one place by visiting the new Completed smart list.
This will show you all of your completed tasks across all of your lists, sorted by date. As a bonus, you can also now see the exact time you checked off each task. This wasn’t previously available anywhere in the Reminders app, and it’s still not shown when viewing completed tasks in an individual list.