Miro Markaravanes

> And of course Apple and Google will both say "Works on my machine" so it sounds like we are left to either migrate off firebase or find the cause...

@jostster I don't think so. I was facing this issue, at a much larger scale, even before 10.17.0. The PR you referenced actually fixed it for most of my users...

Do you use Firebase phone auth in your project? This error seems to be mainly caused by a failure in validating the authenticity of the request itself and should be...

@nohe427 Our app also does't use ARCore. However that does raise the question of whether any other framework or library can conflict with AppCheck. Is there a way to check?