Signal's finally getting desktop history sync! (community.signalusers.org)

submitted 3 days ago by Supernova1051@sh.itjust.works to c/signal@lemmy.ml

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[-] TheHobbyist@lemmy.zip 2 points 3 days ago* (last edited 3 days ago)

There is also this quote, which is weird:

The only media that syncs is media that was sent/received in the last 45 days, because that’s how long encrypted media lives on Signal’s servers in order to match the current maximum timeframe for queued messages for offline devices. Media older that that will not be available.

So that begs the question, if text messages don't live longer, why are they able to sync from older than 45 days? I'm guessing its because they are sent p2p? But in that case, why is media then not also sent p2p? Is it because of amount of data/transfer speeds?

[-] avidamoeba@lemmy.ca 5 points 3 days ago

It's probably not sent P2P. It's probably sent via their server as relay. If they pushed media from the sender device to the receiver, they'd have to reupload all that which could be a lot of traffic which costs, so they just relay the media they already have and only reupload the text. That's my hypothesis.

this post was submitted on 14 Dec 2024

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