Rated 5 out of 5 stars

This is truly wonderful addon! I rely on it every day, and have frequently put off Thunderbird updates, until a compatible release was available. Also, I would add that Axel has been highly responsive to email questions and requests for fixes.

This review is for a previous version of the add-on (2.9.1). 

dealing with rapid releases

thanks - I am hoping to stay ahead of the official release numbers now so that there isn't too much chance for disruption. The next release will be compatible up to Thunderbird Versions 8.*