Update to stable version 44.0.2510.1449:
DNA-59680 Unable to add bookmarks to unsorted bookmarks if you have them
DNA-60474 [macOS 10.12.2] Opera crashes when opening file dialog with Touch Bar
DNA-60508 Some links opened in new tab don’t render
DNA-60626 Never ending memory use increase on youtube 24/7 stream
DNA-60646 [WebUI] Wallpapers wont load immediately
DNA-60764 Remove non-default-themes from O44 stable