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GCM is Google Cloud Messaging [1] used for push notifications on Android and Chrome. > It has been superseded by Google's Firebase Cloud Messaging (FCM) on May
by sradman 6y ago
GCM is Google Cloud Messaging [1] used for push notifications on Android and Chrome.
> It has been superseded by Google's Firebase Cloud Messaging (FCM) on May 29, 2019.
[1] https://en.wikipedia.org/wiki/Google_Cloud_Messaging https://en.wikipedia.org/wiki/Google_Cloud_Messaging