Opera 51 which is in the developer version has received an update, Opera team has added a button to Video Pop-out and collapsible lists of the open tabs in the tab menu.
Video Pop out gets ‘Back to tab’ link
Video Pop out feature which, allows to watch video in an adjustable window in Opera, has got ‘Back to Tab’ button. This appears only when you hover on top of the popped out video. The link when clicked, returns you to original video playing tab .
The Tab menu in Opera which, displays recently closed and open tabs, now displays open tabs in a collapsible list, now to see all tabs open, you need to click on it to expand. This change is useful to save space on right of the browser window.
You can download this version of Opera from here.