God I miss Opera 12, Presto and Dragonfly. :(
It's not a Blink fork, if that's what you mean. They built a new browser, using the HTML & JS engines from Chromium. The rest of the browser is different. As a user, I consider the HTML & JS to be commodities, and everything else to be the salient aspects that I look at when choosing between browsers.
spatial navigation, bittorrent, author mode, full page indexing for history, mouse gestures, key bindings editing, icons/buttons customisation, cycle show images/cached images/no images, shrink width to fit screen, presentation mode, panelise web page, navigation bar, tab preview pictures, custom icon sets installable from vendor homepage, all menus customisable by editing ini files