In 12.04, Byobu moved to Tmux as its default backend. Thoughts? What's working well? What's not?  - on tty, tmux is a little wonky  - on smaller sized terminals, tmux status is blanked out  - anyone still using screen backend? maintain support for screen?  - issues with byobu/tmux causing too much load?  - issues on micro machines? - new byobu.co website -- looking for a volunteer web developer to create the site and content...