iPadOS 13.4 (build 17E5223h) is an official Apple over-the-air update for the iPad mini 5 (WiFi), released on 2020-02-05T18:16:47Z. The update package is 771.47 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: ef6f0bd5f1c42cfe9731457e7c5e125b927f9552.zip.