I'm not working on the widget or use it anymore because Ford started blocking FordPass accounts that were using it. But I have some of screenshots from the Software Update portion of it before that stopped working, here are the statuses I have record of:
request_delivery_queued - OTA update is...
This is an excellent find! We used to be able to get this information in the FordPass Scriptable Widget before Ford locked down the software update API and started blocking accounts using the widget.
aggregateStatus will change when you have a pending update, when the car asks for the update...