iPadOS 12.3 (build 16F5129d) is an official Apple over-the-air update for the iPad Pro (10.5-inch, WiFi), released on 2019-04-08T17:04:29Z. The update package is 286.39 MB. This is a delta (partial) update that requires 12.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a8a811507b4b90e31c3861acbe25d6c2bcca3989.zip.