They've been saying "open source soon" for two years now. My privacy sensitive friends won't touch it until they can verify, and I can see why. Open source is prerequisite for Don't trust, verify.

Don't get me wrong, I'm really grateful that they're building cool shit. It's coming more from a point of: what's actually verifiably secure and private that we can use to communicate?
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They opened the underlying stuff. Your privacy sensitive friends still using Twitter & Telegram? Using something doesn't require posting anything especially sensitive in the app. But it's a way to create groups that can't be censored, & we have seen that Telegram can be.
No they're using XMPP only.
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