Version 12
Opera released version 12 Pre-Alpha Build 1017 on 7 June 2011. Its code name was Wahoo. Opera 12 will have hardware acceleration, support for WebGL and the new Opera Reader-feature.
On 13 October 2011, a version 12 Alpha build 1105 was released. Includes several speed and memory improvements, themes implementation, full hardware acceleration with WebGL, full ECMAScript 5.1 compliance, and a new HTML5 parser named Ragnarök.
On 7 June 2012, the RC1 version of Opera build 1448 was released . It offers native 64-bit support and out-of-process plug-ins.
On 14 June 2012, the final version of Opera 12.00 was released.
With Opera 12.01, the newest version, including some minor yet important security and stability upgrades, has been released on 2 August, 2012.
Opera 12.02 is the last version that will run under Windows 2000. The succeeding versions will now need at least Windows XP.
On November 5 2012, Opera 12.10 was released with improvements, bugfixes and security updates.
On November 20 2012, Opera 12.11 was released. This release was mainly a stability and security improvement over the previous version.
On December 17 2012, Opera 12.12 was released. This release is a recommended security and stability update over the previous version.
Read more about this topic: History Of The Opera Web Browser
“I should think that an ordinary copy of the King James version would have been good enough for those Congressmen.”—Calvin Coolidge (1872–1933)