This is implemented with a middle-click. Clicking with the scroll wheel on an application opens a new instance. However, I believe this behaviour is not at all obvious.
Reference: http://brainstorm.ubuntu.com/idea/27521/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/777304 Title: Cannot start a new instance from the dock -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
