How to reproduce:
1. Open the attached '1286876.zip' project
2. Edit the leaderboard id in the 'Test.cs' script to an existing one available (to see the callstack of the error)
3. Build for iOS
4. In the xcode project edit the info.plist, add the key value: NSApplicationRequiresArcade Type: Boolean Value: 1 (attached a screenshot)
5. Open the Xcode project and deploy it to an iOS 14 device
6. Observe the Xcode console logs

Expected result: No errors are thrown to the console
Actual result: '[Error] Arcade’s application is using a prohibited API.' error is thrown to the Console

Reproducible with: 2018.4.29f1, 2019.4.14f1, 2020.1.10f1, 2020.2.0b9, 2021.1.0a3

Reproducible with:
iPad 9.7’ 6th gen (iOS 14.2)

Not reproducible with:
iPhone 8+ (iOS 12.0)
iPhone XR (iOS 13.4.1)

Notes:
- Video of iTunes Connect and Xcode/Script setup is attached in Edit
- If it didn't display errors at the first time, please re-run the Xcode project
- Call stack is attached in Edit