Assegnate 5 su 5 stelle

I'm using this addon for a long time.
And I'm very happy to use this addon
But after v45.2.0 upgrade of Thunderbird,
It's not working.
I guess there is some conficts with new version of TB.
Could you please check

PS:
My OS = Ubuntu 16.04

Questa recensione riguarda una versione precedente (1.2) del componente aggiuntivo.