Definitely not a virtual left-click. There is no menu option to open an email (in Thunderbird) with the link in the subject - but this is an occasional aberrant response. Do any non-Thunderbird users get this? If not, it is presumably an interaction directly between FF and TB.
It is reported at the Firefox bugzilla on Mac OSX too. -- right click (with button release) might activate popup-menu-item https://bugs.launchpad.net/bugs/187313 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