See the following page for what's new in Dreamweaver CS6: http://helpx.adobe.com/content/help/en/dreamweaver/using/whats-new.htm l
What's new is if you want to learn how to build an easy fluid grid responsive design layout in Dreamweaver CS6 you should watch this video series
http://www.udemy.com/dreamweaver-cs6build-html5-css3-multi-device-flui d-grids/
It appears there's a bug in the Dreamweaver CS6 Welcome Screen, which leads to this blank page. To get to the correct What's New page, follow this link:
http://helpx.adobe.com/content/help/en/dreamweaver/using/whats-new.htm l
I have reported the bug to Adobe.
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