Mosh + Byobu + F-keys appear to be working just fine for me now. I'm using mosh from Ubuntu 13.04 (1.2.4a) on the client and mosh from Debian 7.1 (1.2.3) on the server. I'm able to use all of the F-keys like I can in ssh.
** Changed in: byobu (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1029030 Title: function keys are not working on byobu-tmux under mosh connection To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/byobu/+bug/1029030/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs