Seems that's it, rather than "tabs" on the previous versions.    For example, running two monitors, I would have TV and CV on each respectively.   Now when I open say...piano roll view...it pops it down below my TV in another multidock.  I used to just be another tab on my console view.  I guess this is now the current setup?  I guess more flexible, so you can float more windows? 

same here - when you go to tab / left mouse / undock - can float as many as independent windows as you want - then drag back into the mutli dock as a tab if you want - very nice flexibility

Views can be docked in the Multidock or floated, and SONAR has had this ability for quite awhile.  Sounds like you had the Console undocked, floating on one monitor while the Multidock was docked below the Track View and hosting the Piano Roll view.
 
Keith
 

thx Keith.  Actually great to know and useful!