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this post was submitted on 19 Aug 2023
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Asklemmy
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What Matrix metadata leakage are you talking about? Regarding XMPP, I am not aware of anything like it, and I suspect that this leakage you are talking about is just standard client-server signaling, where in federated protocols like Matrix and XMPP you can chose whom to trust (or self-host) whereas in all other cases your metadata isn't just centralized and consolidated, you have no recourse and knowledge about what's being done with it.
On the side of XMPP, OMEMO (which is XMPP's take on double ratchet encryption à la Signal) is standard across the board of all maintained clients, so you wouldn't be less secure there than on e.g. Signal or Telegram, so your take on XMPP's security isn't factual.
Huh, some things might have changed then. My memory is from around 2021-2022, so things might have changed.