XMPP because I see much less drama about it
XMPP is simpler but Matrix has more features.
I prefer XMPP
I haven't used XMPP, so I guess that one
I haven't heard of XMPP. And isn't Matrix something like Discord? What about Discord?
I haven't use any of those :c
Tough choice. Xmpp
Unable to decrypt: The sender's device has not sent us the keys for this message.
I practical use Matrix more, but I haven't found any client for any of them that just works, like you are used to...
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