In the 15th version of its browser for Windows PCs and Mac, Opera is fundamentally different from predshestviennika engine. At the core of the browser now is not WebKit, and the engine Blink open source. Improved starting tab Speed Dial ("Speed Dial") - the links can be combined into a folder and filter.
Also, "reading" Opera has got the news of the thematic media. Another new tab - Stash ("Piggy") - will attach to the site pages for viewing on the "later". After restarting Opera all bookmarks disappear. The new "turbo" Off-Road now has a protocol support SPDY, further accelerating the loading of web pages. A preliminary version of Opera Mail is available for download.