You can always `set -g mouse on` in your `tmux.conf`. But that has the nasty downside of stopping you from being able to right-click and copy text to your OS cl

You can always `set -g mouse on` in your `tmux.conf`. But that has the nasty downside of stopping you from being able to right-click and copy text to your OS clipboard. It does let you pane select and scroll with a mouse though.