Opera goes to 11 with their latest beta release, now available for download. It includes updates to the mouse gestures feature to add better visual feedback. The extensions introduced in the alpha version of Opera 11 are now included, giving you access to a library of 160 add-ons.
Tab Stacking is the most interesting new feature. We’re all familiar with tabbed browsing by now, but Opera 11 beta is adding a slight twist. In addition to having tabs going across your browser, you can now drop them on top of each other to create a tab stack. This allows you to group tabs together and treat them as one. Check out the video for the details.
via Opera