People on iOS 14 who use To Do on version 2.37 and above can create widgets for To Do. You can view existing tasks in the widget, add new tasks to your lists, and open and access any list. It’s not currently possible to mark tasks as complete in a widget.
Set up To Do widgets
Long press on any empty space on your home screen, then select + to open the widgets menu.
Search for To Do or scroll down to find it, pick the widget you want to add, and select + Add Widget. (If you don't see To Do in the widget selection menu, close the app and reopen it.)
Repeat if you want to add more widgets.
To change the list shown in your widget, long press the widget, select Edit Widget, and pick the list you want displayed.