 Updated with the newest rendering engine Presto 2.10.229, this update features several changes including a UI revamp of the email interface, a new address field with star feature, and several "under the hood" as new HTML5 tags and parsing implementations, full ECMAScript 5.1 support.This version also implemented the JSON API geo-location of Google.On January 24, 2012, Opera 11.61 was released with improvements to security and stability.