By the nature of the horizontal split design in Cubase 9, vertical screen space becomes very valuable, especially on widescreens. More vertical space allows you to see more tracks in the project or octaves in the lower editor.
The result could look like this:
(click to expand)](http://i.imgur.com/NjjzZM3.png)
…if these options were to be added:
Currently there are still legacy Transport Buttons for the top bar and time/locators, but not any of the new items…