module:add_feature("jabber:iq:roster");
-local rosterver_stream_feature = st.stanza("ver", {xmlns="urn:xmpp:features:rosterver"}):tag("optional"):up();
+local rosterver_stream_feature = st.stanza("ver", {xmlns="urn:xmpp:features:rosterver"});
module:hook("stream-features", function(event)
local origin, features = event.origin, event.features;
if origin.username then