In the previous version of Opera browser have discovered several serious security issues that are solved with this version of Opera 9.52. These security problems are classified as high risk and have possibilities to skip security browser spoofing, exposure of sensitive information, DoS attacks and provide system information to the attacker.
As per the release note, all these security issues are solved by this updated Opera 9.52 version. In addition to these important security settings there are changes in other aspects of Opera. For example Opera added several improvements to the icons and skin, added a Help button to Engine Init() Failed error message on start-up to inform users about a problem, added a bookmark path to auto completed bookmarks in the address bar to better distinguish them from visited pages, and more – Full details