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Poland directs officials to ditch Signal in favor of 'secure' state-developed alternative
(www.theregister.com)
This is a most excellent place for technology news and articles.
Maybe. Or they got the feeling to use a low-effort open protocol, that isn’t xmpp. I mean, they considered open whisper, for example, they would have to invest in a custom client.
With matrix they slap a new sticker on the software and call it a day.