We are talking about two different things here.
Nobody is asking for floating-only. The thing you are referring to, and like, is called the Transport Bar and is turned on or off from the Setup Window Layout icon
in the top right of the screen in the project window toolbar and is fixed at the bottom of the screen.
This post is about is the Transport Panel which is activated by F2, can be moved around, and is always on top.
In Cubase 9 it looks like this:
In Cubase 10, it’s basically just a movable copy of the Transport Bar, here even at it’s most compact usable size:
Everything is in one line. If you turn on the same amount of displays as in the earlier version, the thing is stretched so long you have to jump back and forth on, and when all displays are on, it won’t even fit on a 1920-pixel wide screen (FHD). Madness.