As you may know, Firefox 57 comes with a new user interface, known as "Photon". It is intended to provide a more modern, sleek feel that’s consistent across multiple platforms. It replaced the previous "Australis" UI and features new menus, a new customization pane and tabs without rounded corners. One of new features of Firefox 57 is the ability to open bookmarks always in a new tab. Here is how you can enable it.
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