AtaX:
For issue 3 above, you can manually make 2 control points (close together) before the region and 2 points after. Then select the inner 2 points with the selection tool and drag the upper volume handle up or down. Until Steinberg gives us Pro Tools style automation editing (where you just drag any volume selection up or down), there is a macro/script combo that approximates this. (Select a range and run the macro. It creates the control points, selects the inner ones and switches tools, so all you do then is drag…)
The discussion and details are here:
Works like a charm…
Good luck!
-Mike.