Firefox – How to make Firefox 57 to always open new tab from address bar

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Firefox before version 57 allows users to open new tab from address bar using an extension (e.g. TabMixPlus). TabMixPlus is no longer supported. How to make Firefox 57+ to always open new tab from address bar?

(New tab from bookmarks is accessible via browser.tabs.loadBookmarksInTabs, but I have not find an about:config entry for new tab from url bar, just an feature request for browser.tabs.opentabfor.urlbar.)

UPDATE: Firefox 60 added the missing option to about:config.

Best Answer

Firefox 60 actually has flag browser.urlbar.openintab in about:config. Setting it to true accomplishes what you want. Tried and true.