This has been disabled by default because it conflicts with three touch multitouch Unity gestures. You can manually override this by running:
$ synclient ClickFinger3=2 ** Changed in: xserver-xorg-input-synaptics (Ubuntu) Status: Confirmed => Won't Fix -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-input-synaptics in Ubuntu. https://bugs.launchpad.net/bugs/933355 Title: Middle-click on MacBook Pro touchpad no longer works To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-synaptics/+bug/933355/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp