The ****** Show Tab Bar menu item is automatically added to application that do not use NSDocument. This is defacing both the View menu and the application (since it will add a tab bar that is completely pointless if you choose the menu item).
From what I heard in the WWDC session, the tab bar was supposed to be only automatically displayed if you were using a NSDocument (which makes sense) and you would have to add code by yourself if you were not using NSDocument (which made sense too).
This is clearly not the case and now we are in the same situation as with the ***** translulence of the source list that defaced so many apps and is an opt-out instead of an opt-in.
The problem appeared in b2 and is still there in b3.
