I'm currently on iOS 15.3.1, but I believe it was happening on the previous version of iOS as well; I recently updated my device. I haven't tested other versions. I'm running Xcode Version 13.2.1 (13C100) on my 2019 i9 MacBook Pro running version 11.6.1 (20G224). I can create a screen capture if that's helpful, as well. I can share the sample project however you would recommend, iCloud link? Thank you for the prompt reply!

https://www.icloud.com/iclouddrive/01fC2Jrjo9eNxGxS_VTQo1IQw#testARapp Here it is. Let me know if I can help in any other way!

Very late reply, but I just had the font size as way too big so I couldn't tell I was walking around something so large. Font size for this function is hundreds of times bigger than a normal 2D font in SwiftUI or UIKit. So the answer is to use a font size like 0.1.

Thanks for the reply. So now the applinks are working... but not the webcredentials... I feel like it has to somehow be something I'm doing wrong because that just makes no sense to me.

So it looks like what happened is I made multiple entitlements files for the different build schemes (for prod, dev, and staging) and each one was correct for the corresponding scheme but it looks like it confused Xcode for some reason. So I deleted all the custom entitlements files, reset the Build Setting for Code Signing Entitlements, created a new custom dev entitlement file, and manually updated the Build Setting for Code Signing Entitlements and now its working.