Rated 5 out of 5 stars

I have made my 3.1.1 version available on this website, just trying to help out, it worked for me, maybe it can help more people. Try this until the original authors continue their excellent work.

https://addons.mozilla.org/en-US/thunderbird/addon/211318/

This review is for a previous version of the add-on (2.0.0).