Opera 20 was released on March 4, 2014, based on Chromium 33. Speed dial entries were made resizeable and support was added for dragging tabs to the bookmarks bar. Stash screenshots were also improved.[100]
Opera 21 was released on May 6, 2014, based on Chromium 34, and using Chromium's Aura UI framework. A broken padlock is now shown when sites present invalid security certificates and an option to display the full URL in the address bar was added.[101]
Opera 22 was released on June 3, 2014, based on Chromium 35. Support for high DPI displays was improved and the default theme was changed.[102]
Opera 23 was released on July 22, 2014, based on Chromium 36. A heart menu was added to the address bar, allowing the current page to be added to Speed Dial, Stash, or the bookmarks bar. An option to load insecure content on secure sites was also added.[103]
Opera 24 was released on September 2, 2014, based on Chromium 37. This release introduced tab previews, which are displayed when tabs are hovered. It also included several improvements specific to Windows: the frame of private windows was darkened and support for high DPI displays was improved again.[104]
Opera 25 was released on October 15, 2014, based on Chromium 38. This release introduced a visual bookmark manager and the inclusion of a built-in PDF viewer. Support for desktop notifications was added.[105]
Opera 26 was released on December 3, 2014, based on Chromium 39. This is the first new stable version on Linux since 12.16, released on July 4, 2013. This version introduced the ability to import data from other browsers, including bookmarks and passwords. It also features the ability to share selected bookmarks via a URL, and integrated a print preview. Bing was removed from the default search engine list, and can thus no longer be set as the default.[106]
Opera 27 was released on January 27, 2015, based on Chromium 40. A tab menu was added on the right of the tab bar, which displays all opened tabs in a list. Hovering the cursor over an name in the list and it shows an preview of the selected tab. Reorganised the navigation on the start page. Includes additional bug-fixes for the PPAPI plugin support and the bookmark manager.