iPadOS 13.4.5 (build 17F5044d) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi, 1TB Model), released on 2020-04-15T17:15:31Z. 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: bc877b556fe4541f99f3a75fbc1dde141b672500.zip.