Love this addon - so glad a fork of umatrix is still being developed. Thank-you! Only reason for 4 stars is the extension here is out of date. It is loading version 0.0.0b8 - released 4mths ago, however there is a stable version 0.1.2 on the developers website released 3 weeks ago that has a firefox xpi attached to it for download, but firefox won't let me install it on a standard firefox installation, because it is not signed off by Mozilla. Please could the new release be updated in the Mozilla extension store? Thanks!