FF=17esr Finally Efficiency @ it's BEST! Bewertet mit 5 von 5 Sternen
You think this should have been a built in function of FF.
Howto: Fixing NewTabURL Rated 5 out of 5 stars
by GGITech on September 23, 2012
If you have done any of the about:config / browser.newtaburl changes, then undo them.
browser.newtab.url - should be blank
browser.newtabpage.enabled - should be true
Now the Add-On works as expected, including the "URL from Clipboard"