This is merely a petition to have the on/off toggle for the double-tap-run moved to a more straightforward and user-friendly location.
As currently listed, it's under Advanced --> Character, while some may prefer that it be placed on the preferences dialog. A logical spot may be next to "Fly/Land on holding up/down"
This isn't a "New Feature" since it is implemented, but not exactly a "Bug" per se either. hrm.