Unfortunately it is not true. XEP-0280 [0] (Message Carbons; since 2010) forwards your conversation to all your online clients, and XEP-0313 [1] (Message Archive Management; since 2012, but only recently implemented) allows a client to &quot;catch up&quot; with the history when it goes online.<p>[0] <a href="http:&#x2F;&#x2F;xmpp.org&#x2F;extensions&#x2F;xep-0280.html" rel="nofollow">http:&#x2F;&#x2F;xmpp.org&#x2F;extensions&#x2F;xep-0280.html</a><p>[1] <a href="http:&#x2F;&#x2F;xmpp.org&#x2F;extensions&#x2F;xep-0313.html" rel="nofollow">http:&#x2F;&#x2F;xmpp.org&#x2F;extensions&#x2F;xep-0313.html</a>