Rated 2 out of 5 stars

per Virtual-70 el set. 5, 2014 · enllaç permanent

Should be looking at forked addon https://addons.mozilla.org/en-us/firefox/addon/gmail-manager-ng/ that is a bit more maintained ; fix for FF32 in GitHub issue: https://github.com/nedwidek/firefox-gmail-manager-ng/issues/47#issuecomment-54694514