Opera has released what it describes as a ‘sneak preview’ of its latest browser, Opera 15, available for both Windows and Mac. As we reported last month, it is powered by Chromium rather than the Presto engine Opera had used for earlier versions.

While Opera is still a significant player in the mobile market, it has fallen out of favour in the desktop market, with a market share of just a few percent, well behind Chrome, IE, Firefox and Safari. Version 15 introduces a couple of new features that Opera hopes may change that … expand full story