This has become more of an issue since I got a Magic Mouse and have middle-click mapped as 3-finger touch. It's always annoyed me that Firefox even does this--is there a way to prevent firefox from closing tabs when you middle-click them?


As there doesn't appear to be a setting in about:config, the only way i know how to do it is using the addon Tab Mix Plus: https://addons.mozilla.org/en-US/firefox/addon/1122

  • that looks to be uber-overkill for the one thing I want to do, but thanks for the suggestion. – Brade Feb 26 '10 at 19:56
  • 2
    Tab Mix Plus appears to have ceased development after Firefox Quantum. Is there another solution now? – Josip Rodin Nov 27 '18 at 11:45

It is a system setting not Firefox. You can check on the file explorer.

On Ubuntu 18 gnome : gnome-tweaks > Windows > Titlebar Actions > Middle-Click > select Toggle Maximize

On other system : gsettings command line here: https://askubuntu.com/a/655648/360110

  • I believe the question is about browser tabs, not Gnome windows. – hackerb9 Jun 30 '19 at 4:14

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