In Pictures: First look, Opera 12 ups the ante

The latest release of Opera has some obvious cosmetic and UI changes, as well as several new under-the-hood functions. Overall, here are 12 changes worth noting.

Extensions can control tabs and windows

Extensions in Opera 12 are now permitted to interact with browser windows and tabs (or groups of tabs). For example, an extension can be written to open or close a browser window or tab. Obviously, this raises the spectre of malicious or untrusted sites cluttering up your browser with windows and tabs you don’t want opening, but is necessary to allow legitimate sites to have, such as web apps.

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