iPadOS 13.4 (build 17E5223h) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2020-02-05T18:17:00Z. The update package is 716.4 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: 1e76bb1e92c58ff83c130a33d7a0ece11ef1888b.zip.