Rated 4 out of 5 stars

<b>Duplicate Tab still works!!!</b>

Unofficial public update: http://bit.ly/arVAAa

Firefox 3.5+ update Rated 5 out of 5 stars

I know a lot of you are concerned with the new updates, but I updated my version and it works for 3.5.5 currently. You can find it free on my blog here: http://nickriebe.com/installing-to-firefox-3-5-but-duplicate-tab-isnt-working/

File Update Rated 5 out of 5 stars

If you want to install duplicate tab on 3.5, either your having trouble changing the max value in text edit or it's just not working, I've gone ahead and did it... you can get it here: http://nickriebe.com/?p=26