Wow, that's a whole lot of pretty major changes just for this beta. It's great that the Add-Ons manager is in a tab now rather than a window. Hopefully the Down

Wow, that's a whole lot of pretty major changes just for this beta. It's great that the Add-Ons manager is in a tab now rather than a window. Hopefully the Downloads window gets the same treatment. Also: The "tabs on top" on OS X could use some touching-up - right now the tab bar is just swapped with the toolbar, and still below the window's title area. Something more like Chrome (or that Safari beta, for that matter) would be nice.