What’s New in Opera Development Snapshots: March 26, 2012 Pssst! Yes, you. You like CSS? Interested in some HTML5? Want some hot ECMAScript? Then, my friend, you want to look at this latest Opera desktop snapshot in which our core rendering engine, Presto, gets a huge upgrade. HTML5This build introduces initial support for HTML5 Drag and Drop. With DnD, Web pages can natively drag elements, select