Since Firefox 23 the addon doesn't fix this for me either. The addon say the bug is fixed in Firefox 23, but at least in linux isn't.
In the comments you have a solution: https://addons.mozilla.org/es/firefox/addon/bug582139/reviews/495974/ For those guys who want to put their "bookmark icon" into the nav bar while the menu bar is not hidden (for those who dont like the orange Button in the upper left corner): Just put these lines into the userChrome.css file which is in the chrome folder of your FF-Profile. #bookmarks-menu-button{ display:-moz-box!important;} I haved tested it and works for me. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/748850 Title: Can't middle or right click on bookmarks to open in new tab Status in Unity global menubar extension for Firefox and Thunderbird: Fix Committed Status in DBus Menu: Won't Fix Status in “firefox” package in Ubuntu: Invalid Status in “libdbusmenu” package in Ubuntu: Won't Fix Bug description: Binary package hint: firefox With the new menu placed above the firefox window, I can no longer middle click a bookmark from the bookmarks menu to open in a new tab. No matter whether I left, middle or right click, it is treated as a left click and opens in my currently open tab. Steps to reproduce: Click "Bookmarks" menu and middle-click one of your bookmarks What should happen: That bookmark opens in a new tab What actually happens: That bookmark opens in the current tab ProblemType: Bug DistroRelease: Ubuntu 11.04 Package: firefox 4.0~rc2+build3+nobinonly-0ubuntu2 ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38 Uname: Linux 2.6.38-7-generic x86_64 Architecture: amd64 Date: Sun Apr 3 16:06:59 2011 FirefoxPackages: firefox 4.0~rc2+build3+nobinonly-0ubuntu2 flashplugin-installer N/A adobe-flashplugin N/A icedtea-plugin N/A InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110330) ProcEnviron: LANGUAGE=en_AU:en LANG=en_AU.UTF-8 SHELL=/bin/bash SourcePackage: firefox UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/globalmenu-extension/+bug/748850/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp