If you've noticed that using your mouse wheel to scroll up in your terminal to view "the past" appears to not work correctly, then there is a simple solution.
Manually select "tmux" as the backend by entering the following command:
You should see:
Select the byobu backend: 1. tmux 2. screen
Select 1 to choose tmux and you should be sorted. If you cannot use tmux and have to use screen, then you can get by with pressing f7 before scrolling.