Rated 5 out of 5 stars

As I wrote in private to the author (I'm the Italian translator of this addon), CT doesn't work anymore starting form TB 60.
Hoping it will update ASAP, I continue to give 5 stars.
Topoldo

This review is for a previous version of the add-on (6.3).  This user has 2 previous reviews of this add-on.

Calendar Tweaks 7.0 is compatible with Thunderbird 60.0, and will be released within a few days.