Rated 4 out of 5 stars
It seems that works with thunderbird 68, but still have some problems. If you have many google accounts it is not switch from one account calendar to the other. Instead open the new calendar to the browser...This review is for a previous version of the add-on (1.5).
Rated 5 out of 5 stars
It was very useful add-on. It is a pity, not working with the last version...(68)This review is for a previous version of the add-on (1.4).