Rated 5 out of 5 stars

per mkdante381 el nov. 15, 2016 ·

Pls add compatibility for 51 Firefox and up

This review is for a previous version of the add-on (0.2.0). 

per Infocatcher (desenvolupador) a nov. 15, 2016 ·

See
https://bugzilla.mozilla.org/show_bug.cgi?id=1315233#c24
https://bugzilla.mozilla.org/show_bug.cgi?id=1315233#c27

And there is no response from Firefox developers yet.