Firefox – Middle click tab opening stopped working in Firefox

firefox

Today I booted up my PC, opened Firefox, and went through my usual habit of going to some pages, middle clicking every interesting new link to open it in a new tab, and then casually working my way through them. Today however I've noticed that this doesn't work any more.

What DOES work:

  • Middle clicking on a link in my bookmarks bar opens it in a new page
  • Middle click scrolling
  • Right click -> Open in new tab

What DOESN'T work:

  • Middle clicking any link on any web page to open it in a new tab
  • CTRL + clicking on a link to open it in a new tab

I haven't installed any new add-ons or removed anything – the function just… disappeared. I checked the value of browser.tabs.opentabfor.middleclick in about:config and it's set to true.

Has anyone happened to have had the same problem, and if so, how did you fix it?

Best Answer

I had the same issue! Here's a solution to the problem:

You probably have Tab Mix Plus and Greasemonkey extensions, right? Well, a few hours ago Greasemonkey updated their extension and there seems to be a conflict between new GM and TMP. Just downgrade your GM to the previous version and everything will go back to normal.

The latest version of Greasemonkey also has a work-around for the issue.

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