Did I miss something? FF 6.0.2 no go! Rated 1 out of 5 stars

I got auto updated today to Firefox 6.0.2 - although it says at http://www.unmht.org/unmht/en_index.html that version 5.7.0 has "Compatiblility with Firefox 6.0.x", when I go to FF addons at https://addons.mozilla.org/en-US/firefox/addon/unmht/ it says "not available for Firefox 6.0.2. Is there a way around this?

This review is for a previous version of the add-on (