My Faithlife/Logos email changed recently. I deleted the iPad app and reinstalled it so I could sign in with my email address change.
After doing so, there's a weird text issue displaying in the upper right corner of the screen. Here's what it looks like:
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It kind of looks like this, so I wonder if it's an iOS 11 glitch?
https://www.macrumors.com/2017/11/01/ios-11-predictive-text-bug/