Hi, I’m the author of this addon.
Someone reported the icon does not appear in FIrefox 47.
After that I tried updating to FIrefox 47, yes the addon icon does not appear.
The addon now is WebExtension. I then tried to downgrade the addon to previous version which was made by addon SDK. The addon icon appears again.
After that I tried to reinstall the addon from the site(upgrade to the newest version), but when I press install I got this notification.
The add-on downloaded from this site could not be installed because it appears to be corrupt.
What’s wrong here? I haven’t tried downgrading Firefox but why it’s working fine in 46 but after upgrading to 47 it’s not working?