https://forums.opera.com/topic/6736/opera-26-not-accurate-chnages/4?lang=en-US
opera 26 ...not accurate chnages | Opera forums
Dec 2, 2014 - A Sidebar which is seperate is not be implemented in Chromium since over 4 years. Dont wait for it. Chromium devs will never add it
operaaccurateforums
https://forums.opera.com/topic/6736/opera-26-not-accurate-chnages/3?lang=en-US
opera 26 ...not accurate chnages | Opera forums
Dec 2, 2014 - I'm not aware of any plans for the sidebar - Opera 27 is already in public testing, so I know it won't be there, but they have not indicated any plans for it...
operaaccurateforums