Rated 5 out of 5 stars

After 1.2.5 the addon stop working for Firefox ESR.
Also on mouse over middle click to save image feature would be helpful.

This review is for a previous version of the add-on (1.2.9). 

Rated 3 out of 5 stars

Even when browser.tabs.remote.autostart set to false

Please fix it for FF 52

This review is for a previous version of the add-on (1.1.0.3).