iPadOS 13.4 (build 17E5249a) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi, 1TB Model), released on 2020-03-03T18:20:04Z. The update package is 135.33 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: a4f68a4c32620f2c254ad7424ac027f6ec9bbfdf.zip.