Did you all work together with the Firebase team on the recent schema change? We're scrambling to mitigate the ~2x cost increase that caused for us, since it blew our analytics budget out of the water.
It was a change that Firebase implemented that went into effect about a month ago. Check this out and the look at the "Old Export Schema" at the bottom. The export schema went from multiple events per record to one event per record, with the User Parameters repeated on each record. That bloated the exports from Firebase and increased costs. https://support.google.com/firebase/answer/7029846?hl=en
