Hold the mouse over a layout tab and a tooltip show the name (useful when using long names for layouts) and the preview image shows the content of the layout. Unfortunately it is no longer possible to drag-and-drop a layout while holding down CTRL to create a copy of it. Last among the layout tabs there is a '+'-icon that can be used to create a new layout. There are also a notification column informing about certain things like hardware acceleration, trial period and more. With create the last template used is the new default for new drawings until changed. Access recent documents and the Learn and Create area with access to useful learning resources.
The DWG file format is the same as in AutoCAD 2013 and AutoCAD 2014: 'AutoCAD 2013 Drawing'. New and/or enhanced functions File format
