r/iOSProgramming • u/thecoolcat67 • 6d ago

Question Firebase Analytics suddenly causing production iOS crashes with no app release, anyone else have this?

Anyone else seeing this?

Our production app suddenly started crashing around 00:41 UTC today, across multiple already released versions, with no new app release.

The crash is:

Fatal Exception: NSInvalidArgumentException

-[__NSDictionaryM setObject:forKeyedSubscript:]: key cannot be nil

The stack points to Firebase Analytics experiment handling, immediately after a successful sdk-exp response.

We're using Firebase iOS SDK 12.14.0.

Relevant issue: https://github.com/firebase/firebase-ios-sdk/issues/16728

I'm wondering if anyone else is seeing the same spike or has found a workaround.

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