The 'extensions.unifiedExtensions.enabled' setting no longer works. Firefox began ignoring it several versions ago.You can right-click on an extension and select "Pin to toolbar" to show it on the toolbar instead of consolidating it under the Extensi...
You used to be able to hide this button using the extensions.unifiedExtensions.enabled setting in about:config. Now you can't even do that.Looks like Mozilla has gone the "we know what you want more than you do" route.I didn't ask for an unremovable,...