Rated 4 out of 5 stars

Served me well coloring the calender entires in the view, so I had "ornage" for important meetings, "blue" for business ...
Now with the upgrade to Thunderbird / Lighting 68.0 the entries are still colored, but the descriptive text is gone!

https://bugzilla.mozilla.org/show_bug.cgi?id=1580059

This review is for a previous version of the add-on (7.1). 

Please see the reply to 'Code Name' above.