Opera 10.60 is a recommended upgrade offering new and improved features, plus security and stability enhancements. For your reference, please see the previous Opera 10.60 beta 1 for Windows changelog on the Opera changelogs website.
Implemented validation of certificates used in widget signature using OCSP
Fixed an issue where double-clicking a link can unexpectedly run a program from the Internet; see our advisory (http://www.opera.com/support/search/view/957/).
Fixed an issue which could be used to trick users into uploading unexpected files, as reported by Andrew Valums; see our advisory (http://www.opera.com/support/search/view/958/).