

Why Firebug is discontinued?Īs you might have heard already, Firebug has been discontinued as a separate Firefox add-on. The Firebug web development tool, an open source add-on to the Firefox browser, is being discontinued after 12 years, replaced by Firefox Developer Tools. Consider changing your history settings too.Override cookie and blocking settings for individual websites.Choose your preferred Browser Privacy/Cookie settings.Click the “Privacy & Security” menu item.On your computer, click the menu button.To install a recommended add-on, click the blue + Install Theme or + Add to Firefox button, depending on the type of add-on.Click the menu button, click Add-ons and Themes Add-ons and Themes Add-ons and select Recommendations. Firefox may offer personalized recommendations.Moreover, make sure the addons are activated in the addons menu of the Firefox browser. Moreover, incorrect date/time settings of your system or corrupt Firefox user profile (or any of its settings/files) may also cause the issue. The Firefox add-ons might not work if your Firefox browser is not up to date.


Officially, we started unifying Firebug with built-in Firefox tools around 2016, but in fact the process began earlier. The latest Firebug version on AMO is 2.0.
