Technically this is by design (see release notes of FF 3.0 beta 4) and mozilla bug 355477.
** Changed in: firefox-3.0 (Ubuntu) Status: Confirmed => Fix Released -- forward and back mouse buttons don't work https://bugs.launchpad.net/bugs/202045 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs