notifications not sendings

[rolandverner]

I used this package 2 years and now it's stopped to work, I did not receive notifications

[rolandverner]

no errors but its not working in firebase logs its too empty

[Vetsch0r]

Had the same issue. The older version does still use GCM which is deprecated and it might stop working.
We just did upgrade to 5.0.0 and it did work afterwards.