Google push notifications are available on GrapheneOS - just have to install Google Play Services. Their sandboxed version of google’s junk is nice because you can fully restrict permissions to it unlike stock Android.
Google push notifications are available on GrapheneOS - just have to install Google Play Services. Their sandboxed version of google’s junk is nice because you can fully restrict permissions to it unlike stock Android.
Not if the app is coded properly to not include message content in the push notification. Signal uses google notifications only as a wakeup event to poll the (not google) server for the new message.
https://github.com/signalapp/Signal-iOS/issues/5720