- actions transport-replace, transport-accept and transport-reject are now handled
- transportReplace can be used from an other plugin
- new A_DESTROY action, used to clean a transport before its replacement
- transport and application data are now managed in separate dictionaries
- new client.IQ method is used
- new buildAction helper method for applications and transports
- "role" is now stored in session_data
- "senders" is now stored in content_data
- plugin XEP-0166: "transport-info" action is now managed
- plugin XEP-0166: application namespace and handler are now managed in a namedtuple
- plugin XEP-0234: <range/> element is added by responder if not already present