leaving this here for anyone struggling with why the push notification not always successful. after long time of research and debugging , FF still uses a deprecated method sendMulticast() in the deployed cloud function which randomly fails with error (Operation is not implemented, or supported, or enabled).
the solution is to use the new method by Firebase sendEachForMulticast() . but you will have to do it yourself as the deploying using FF is not correcting it.
Push notification not always successful
Database & APIs
I tried searching for problems, debugging locally , checking function logs on GC (which btw , it needs better logging for when the send message fails , it only returns the num of successful sends)
No
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10 replies