iPadOS 13.4 (build 17E5249a) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi), released on 2020-03-03T18:20:02Z. The update package is 818.77 MB. This is a delta (partial) update that requires 13.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8c8da91eaa341d07cbe95f10966f0899ff81bfeb.zip.