I would like to note that Jitsi is recording chat messages in unencrypted form in the users data directory. It comes with the chat history option enabled by default. The problem is, on https://jitsi.org/Main/Features , there is a promise of deniability (one of the features of OTR). Considering that even if I disable Chat history on my side of the client, the chat messages get recorded on the other end (unless they know this defecit).
This is not true OTR, proven from your own webpage. A party has to listen to the unencrypted Jabber messages (evidence of which is in the packet logs made by Jitsi) and figure out both parties and go
To correct, this history option needs to be pulled out completely. Also the option to Log packets by default is ticked. There is no use of leaving these on by default for an end-user.
Hope these issues of security will be fixed in the next version.