How do notifications work in the official Telegram Android app (Play Store vs Site version maybe)? Does it have the same mechanism as Signal, which only recognizes the presence of notifications via Google services, but sends them via its web socket service?


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Contacts sync.
What? No. It just didn’t tell them they have to use their own servers to use their forks.
No, it speaks to how no big developer can do anything to prevent their apps from being banned by oppressive governments. Hence why opposition resorted to 3rd party forks.
Telegram has experience of trying to protect people when they oppose governments. Signal is not interested in getting any similar experience. It will remain useless to opposition it seems.
Signal would have to store the same data to allow users participate in public groups.
I don’t think Telegram ever disclosed anything like that. Public groups are open for everyone including governments. Any service that is not serverless will store the same amount of metadata, otherwise it won’t work.
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