iPadOS 13.5 (build 17F5054h) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2020-04-29T17:06:45Z. The update package is 320.44 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: 27c15540bd74d3de0a2880adec1bce694ceef122.zip.