Opera 12 Beta now available for download promising faster startup times and page loading than ever before. Opera 12 beta offers 64-bit compatibility for both Mac and Windows, Opt-in hardware acceleration and WebGL. It also added a way to customize the look with new lightweight themes, support for the Do Not Track header, CSS3 Animations and Transitions and HTML5 Drag and Drop. Opera announced that it's abandoning its Unite and Widgets features in favor of an extension-driven model. Those who are interested can download the Opera 12 Beta from the link below.