iPadOS 13.4 (build 17E5223h) is an official Apple over-the-air update for the iPad Pro (10.5-inch, WiFi), released on 2020-02-05T18:17:10Z. The update package is 724.93 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: 17d84d4c72f310c1e0a9ce12e499c2dbf57c05a2.zip.