Firebase/Core require NSLocationWhenInUseUsageDescription in the info.plist file

Question

I added Firebase/Core to my project in the Podfile:

pod 'Firebase/Core'

Than I added GoogleService-Info.plist. It's all changes that I made.

Analytics works, because I see some activities from my devices in the DebugView in the Firebase console.

But after uploading the app to the store, I receive a letter with this text:

Missing Info.plist key - This app attempts to access privacy-sensitive data without a usage description. The app's Info.plist must contain an NSLocationWhenInUseUsageDescription key with a string value explaining to the user how the app uses this data.

The Installation instruction for Firebase doesn't mention it

I want analytics for my app. How can I solve this problem? For what reason do I need to specify the NSLocationWhenInUseUsageDescription key?

Additional information

1. I updated xCode in this app release.
2. My GoogleService-Info.plist has enabled IS_GCM_ENABLED flag.

Answer 1

Looks like smth. in the Apple review changed...

i had to to remove all those frameworks to pass

# SDKs
# pod 'FBSDKCoreKit'
# pod 'Fabric'
# pod 'Crashlytics'
# pod 'TwitterKit'
# pod 'Firebase/Core'
# pod 'OneSignal', '~> 2.4.1' # if you upgrade to newer, please also update to newer non-deprecated methods

however the app is unusable after that... the key is in one of those frameworks, or combination

(note, just removing Facebook and Firebase didnt helped)

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Looks like it is caused by

# pod 'Fabric'
# pod 'Crashlytics'

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Looks like a temp issue https://forums.developer.apple.com/thread/101367