iPadOS 13.4.5 (build 17F5044d) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi), released on 2020-04-15T17:15:30Z. The update package is 323.56 MB. This is a delta (partial) update that requires 13.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: cd44ea85ac8ce8d9075c8060bc9fea93da0ef8bd.zip.