GCM duplicated messages

Question

I have an app based on Google Cloud Messaging and it was working well. Now (today) all of a sudden it started having a problem we\'ve never seen before. For each message sen

Answer 1

https://groups.google.com/forum/#!topic/android-gcm/EHZUTEJMeyw

Check the official GCM thread above. Everyone is experiencing this issue. Google's fault!