Opera 11 beta is a test version that gives you a preview of the great things to come in the next major release. It is recommended that you back up your current Opera installation before installing this version.
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- The tab stacking, which lets you drag one tab over another to create a group. Now, you can keep dozens of webpages open, organized and under control.
- You can now browse Opera's extensions catalog to add new functionality easily and customize Opera just how you want it.
- In Opera 11, pages load faster and complex applications run more smoothly