E2E toggeling is broken.
E2E throws an traceback when you enable it, wait till it is established and disable it again without having sent message.
File "gajim/src/common/xmpp/idlequeue.py", line 132, in process_events
obj.pollin()
File "gajim/src/common/xmpp/transports_nb.py", line 361, in pollin
self._do_receive()
File "gajim/src/common/xmpp/transports_nb.py", line 500, in _do_receive
self.on_receive(received)
File "gajim/src/common/xmpp/dispatcher_nb.py", line 355, in dispatch
handler['func'](session,stanza)
File "gajim/src/common/connection_handlers.py", line 1539, in _messageCB
self._FeatureNegCB(con, msg, session)
File "gajim/src/common/connection_handlers.py", line 1277, in _FeatureNegCB
self.dispatch('SESSION_NEG', (stanza.getFrom(), session, form))
File "gajim/src/common/connection.py", line 171, in dispatch
self.put_event((event, data))
File "gajim/src/common/connection.py", line 167, in put_event
gajim.handlers[ev[0]](self.name, ev[1])
File "gajim.py", line 2036, in handle_session_negotiation
ctrl = session.control
AttributeError: 'EncryptedStanzaSession' object has no attribute 'control'