Rated 5 out of 5 stars

great! any known addons it breaks ?

This review is for a previous version of the add-on (0.1.0). 

It will only break some of the add-ons that load their own files into Web pages. It should be compatible with uBlock Origin and HTTPS Everywhere for example.
https://discourse.mozilla-community.org/t/support-no-resource-uri-leak/9004