tmux 2.1 mouse scroll problem in iTerm

Ever since I've upgraded tmux to 2.1 on my mac, the mouse scroll didn't work anymore, a quick google search and I've found the following in the tmux 2.1 changelog Mouse-mode has been rewritten. There's now no longer options for: mouse-resize-pane mouse-select-pane mouse-select-window mode-mouse Instead there is just…