A reasonable alternative Noté 3 sur 5 étoiles

With cute PDF option: https://addons.mozilla.org/cs/firefox/addon/fireshot/

Noté 5 sur 5 étoiles

It still works, just use this addon (also for other addons "not compatible" with FF 989856 or what is the current version): https://addons.mozilla.org/cs/firefox/addon/add-on-compatibility-reporter/