Not getting any data in DebugView, although data is delivered to Firebase Analytics [duplicate]

I have an app written in react-native and which uses Firebase Analytics for tracking.

It seems that data is tracked in production, but when I try doing adjustments in tracking, I want to use the DebugView to test my changes.

But I simply cannot see any data or available devices in the DebugView of the Firebase Analytics console. It has previously worked for me in other apps, but no devices/data appears with this app.

I have already added the IS_ANALYTICS_ENABLED=YES plist entry and -FIRDebugEnabled launch argument on iOS. On Android I have run the adb shell setprop debug.firebase.analytics.app ... command.

I can see in the logs, that Firebase Analytics is receiving my events and uploading these.

2020-05-15 15:55:34.027603+0200 dacapp[33120:11310779] 5.20.0 - [Firebase/Analytics][I-ACS023044] Successful upload. Got network response. Code, size: 204, -1

I have also checked with Charles Proxy, which also tells me that Firebase Analytics backend is receiving the data as it should.

So I'm pretty sure everyting is sent to FA as it should. I have access to the reports and StreamView of FA and can see data there. The only thing that's not working is the DebugView.

Tried on Android 9 and iOS 13.4, with Firebase/Core 5.5 and react-native-firebase 5.5.6