Never mind, I found it! Turntable already exists, it's in the second block of checkboxes on the config screen, between "enable automatic line constraints" and "

Never mind, I found it! Turntable already exists, it's in the second block of checkboxes on the config screen, between "enable automatic line constraints" and "edit newly added dimensions." I think that issue is looking for a toggle like Apple's "natural scroll direction" where it's a question of whether you want the metaphor that pushing your scroll wheel is pushing the content up and down or moving the scroll bar grip which makes the content go the opposite direction.