[Bug] Cannot login in Unity Editor (even with debug token) when enforcing AppCheck for Auth

[vg-swift]

Description

We tried to enforce AppCheck for Authentication, but it broke the login flow in Unity Editor (none of the login methods work, we tried email and google login)

Reproducing the issue

No response

Firebase Unity SDK Version

12.10.1

Unity editor version

6000.0.55f1

Installation Method

Unity Package Manager

Problematic Firebase Component(s)

App Check

Other Firebase Component(s) in use

Authentication, Analytics, Crashlytics, App Check, Firestore, Functions, Remote Config, Storage

Additional SDKs you are using

No response

Targeted Platform(s)

Apple Platforms, Android

Unity editor platform

Windows, Mac

Scripting Runtime

IL2CPP

Release Distribution Type

Pre-built SDK from https://firebase.google.com/download/unity

Relevant Log Output

If using CocoaPods for Apple platforms, the project's Podfile.lock

Expand Podfile.lock snippet

👀 Replace this line with the contents of your Podfile.lock!

[google-oss-bot]

I couldn't figure out how to label this issue, so I've labeled it for a human to triage. Hang tight.

[niccolo-hare]

Thanks for bringing this to our attention, @vg-swift. I was also able to reproduce the same behavior using the latest SDK version. So I'll go ahead and notify our engineering team.