Rated 5 out of 5 stars

Από τον/την Tech στις Απρίλ. 11, 2011 · μόνιμος σύνδεσμος

Indeed there is an update from the website itself... it's version 1.3.9 as daf737 posted...

http://yellow5.us/firefox/linkification/
http://yellow5.us/firefox/linkification_1.3.9.xpi

And it's compatible with Firefox 4 :)

Cheers!