Android Cloud Messaging API has been depricated

[odesey]

Push notifications for Android no longer work and the error of Failed: INVALID_KEY is returned.

This is most likely due to the deprecation of legacy FCM API method:
https://firebase.google.com/docs/cloud-messaging/migrate-v1?hl=en&authuser=0

Are there any plans to update the app to support the new JSON file method?

Thanks.