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Giving Up on Element & Matrix.org
(xn--gckvb8fzb.com)
This is a most excellent place for technology news and articles.
Depends what your goal is. Revolt seems pretty cool, but I don't think it has any kind of encryption. It is based in Europe, though, so it gets GDPR protection, and it's open source, so it could be forked to fit other needs and uses.
No, Revolt checks neither of my boxes unfortunately.