in the newest iOS version, when you are in "trans" mode RCS (former "linear") then you have a "move forward / move backwards" lever on the left side of the manual control display....but it doesnt work.
first problem is that it does not change your forward/backward speed at all
second problem is that the slider always moves back to the middle / stop position
Is it really broken or do i make a mistake here? Its really nasty to try a docking maneuver when you only have your main engine to use ;-)