|[XEP-0027 Current Jabber OpenPGP Usage](https://xmpp.org/extensions/xep-0027.html)|1.3| |Yes|Yes
|[XEP-0030 Service Discovery](https://xmpp.org/extensions/xep-0030.html)|2.4| |Yes|Yes
|[XEP-0033 Extended Stanza Addressing](https://xmpp.org/extensions/xep-0033.html)|1.1|Used to send one message to several JIDs at the same time and to forward messages|Partial|Partial
|[XEP-0045 Multi-User Chat](https://xmpp.org/extensions/xep-0045.html)|1.24|all basics stuff are in and some more advanced stuff like invitations, creations of rooms etc|Yes|Yes
|[XEP-0059 Result Set Management](https://xmpp.org/extensions/xep-0059.html)|1.0|Used by XEP-136 Message Archiving and XEP-0313 Message Archive Management|Yes|Yes
|[XEP-0065 SOCKS5 Bytestreams](https://xmpp.org/extensions/xep-0065.html)|1.8|no dstaddr attribute handling, used for MUC, but exchange real JID ...|Yes|Yes
|[XEP-0066 Out of Band Data](https://xmpp.org/extensions/xep-0066.html)|1.5|supports for urls in messages|Partial|Partial
|[XEP-0070 Authenticating HTTP Requests via XMPP](https://xmpp.org/extensions/xep-0070.html)|1.0| |Yes|Yes
|[XEP-0027 Current Jabber OpenPGP Usage](https://xmpp.org/extensions/xep-0027.html)|Obsolete|1.4|1.3| |Yes|Yes
|[XEP-0030 Service Discovery](https://xmpp.org/extensions/xep-0030.html)|Final|2.5rc3|2.4| |Yes|Yes
|[XEP-0033 Extended Stanza Addressing](https://xmpp.org/extensions/xep-0033.html)|Draft|1.2.1|1.1|Used to send one message to several JIDs at the same time and to forward messages|Partial|Partial
|[XEP-0045 Multi-User Chat](https://xmpp.org/extensions/xep-0045.html)|Draft|1.31|1.24|all basics stuff are in and some more advanced stuff like invitations, creations of rooms etc|Yes|Yes
|[XEP-0059 Result Set Management](https://xmpp.org/extensions/xep-0059.html)|Draft|1.0|1.0|Used by XEP-136 Message Archiving and XEP-0313 Message Archive Management|Yes|Yes
|[XEP-0065 SOCKS5 Bytestreams](https://xmpp.org/extensions/xep-0065.html)|Draft|1.8.1|1.8|no dstaddr attribute handling, used for MUC, but exchange real JID ...|Yes|Yes
|[XEP-0066 Out of Band Data](https://xmpp.org/extensions/xep-0066.html)|Draft|1.5|1.5|supports for urls in messages|Partial|Partial
|[XEP-0070 Verifying HTTP Requests via XMPP](https://xmpp.org/extensions/xep-0070.html)|Draft|1.0.1|1.0| |Yes|Yes