iPadOS 13.4.5 (build 17F5034c) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi), released on 2020-03-31T17:20:11Z. The update package is 309.37 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: d86dcfefefa61739b6a893d8f462e78592444796.zip.