Opera 44 Dev brings far-reaching changes in the interface. The most important of them is the side panel. Which features the speed dial keys, history, bookmarks and settings.The same set of icons just as previous on the speed dial. From now on you can permanently attach to the edge of the window. In addition to the panel, you can add Messenger, which is displayed on the side. There is an option to clip on a permanent basis.
Sounds familiar? Of course. The new interface Opera supplements with sidebar. That presents a dot in dot like Vivaldi. The new feature is that there are panels which contains powerful tools. You can add any page, view it on mobile or desktop mode, and create notes. And even use comfortably with advanced web applications.
Download Opera 44 Reborn VS Vivaldi?
And this does not concern only about the side panel. The new Opera also appears a dark theme that implements at the settings in the browser menu. Just like themes options for the Vivaldi browser, there is an advanced wizard, including the ability to change the theme in the daily cycle. The installer trial version can be found Here.