Still bummed that Deliveries got discontinued. The FedEx app is truly awful. UPS is less worse but still pretty janky.
I do know there are alternatives (like https://parcelapp.net) and to be honest I haven't looked at any of them. I'm sure some are OK/usable, I'm just bummed because I hate change.
Parcel - Delivery Tracking for iPhone, iPad and Mac

The best delivery tracking app available for iOS and macOS.

@paul I’m reluctant to give up my semi-functional Deliveries just because I assume FedEx will at best whack-a-mole the next client, or worst [insert inevitable fate of 3P APIs in 202x]