This is happening to me too, in the last several days Opera One crashed every day and few times I lost all of my open tabs. So for now I will have to uninstall it and go back to old version of Opera.
Also want to say, that it would look better if there was no space between side bar, and space for link of the site and bookmarks, to be more unified and not separated like this.

This is happening to me too, in the last several days Opera One crashed every day and few times I lost all of my open tabs. So for now I will have to uninstall it and go back to old version of Opera.
Also want to say, that it would look better if there was no space between side bar, and space for link of the site and bookmarks, to be more unified and not separated like this.