Because F-Droid cannot build with the currently proprietary FCM client lib. Soon that will change as Google is open sourcing the lib, so if you have MicroG, it’ll work even if you install the app from F-Droid.
Because F-Droid cannot build with the currently proprietary FCM client lib. Soon that will change as Google is open sourcing the lib, so if you have MicroG, it’ll work even if you install the app from F-Droid.