To step between automation points you usually can use arrow keys to step between points of the curve. But that does not work for the volume curve of new folder group tracks in N15.
It’s a useful feature when cleaning up or to find a specific point to edit (numerically). It would be great to have all tracks have similar functionality.
I think Steinberg are changing the way Automation Data is handled in relation to tracks, that is, child elements may eventually expose Automation Nodes in a way that was previously exposed by the Project Browser, and I earnestly hope this will be the case because it would be yet another aspect of the DAW, that sets both Cubase and Nuendo apart, from other more rudimentry DAW’s.