Add XEP-0237: Roster Versioning
Submitted by Martin Holec
Assigned to Telepathy bugs list
Description
It would be nice implement Roster Versioning. It's great data saving for mobile clients, eg. when reconnecting after suspend. Ejabberd 2.1 and Prosody servers and Gajim client already supports this feature.
http://xmpp.org/extensions/xep-0237.html