Think, maybe, Mossop, the dev, might actually be aware that FF has a new version out, and could do without a constant drone of "Please update"?
"... Those with a sharp memory will remember that I said just under 2 years ago that I was ceasing work on my extensions in my spare time. I suggested that Nightly Tester Tools might still receive the odd update but obviously that hasn’t happened and the truth is that I can’t see it happening anytime soon. I’m too busy with that whole real life thing to even be able to work on projects I do enjoy, let alone maintain old stuff that no longer really interests me. ..."