Updated April 4th: Starting with Deliveries 9.6.2 and service update 261 or later, U.S. Postal Service shipments are updated through deliveries.app. This is a necessary change due to changes with the U.S. Postal Service tracking system. Learn more about this change.
Deliveries 9.6.3 or later fixes some issues with USPS. Note: UPS and FedEx tracking information is no longer available in the app. See the latest service updates.