this post was submitted on 04 Sep 2024
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How does Element and Signal implement push notifications?
Idk about Element but Signal uses the Google's insecure implementation if the device has gapps installed and it uses the traditional system which is not push if gapps are not installed.
Ah okay, thanks for the insight. I don't have Gapps (MicroG or otherwise), so I do wonder how these services deliver their notifications.
If it's not using GCM then it must be long polling, unless signal servers are set up to use a 3rd form of push (APNS for iOS, GCM for Android)
Molly (a hardened Signal mobile client fork) has a UnifiedPush version.