There is an update for 3.5.2 Rated 4 out of 5 stars

Looks like there is indeed a new version compatible with FF 3.5.2, at this URL:
https://addons.mozilla.org/en-US/firefox/addons/versions/1938

Why was this not noted on this page?

This review is for a previous version of the add-on (2.0.2009050701).