Rated 5 out of 5 stars

Great to have my colors back! Than you so much! If We got Calendar Tweaks back too my joy would be complete!!!

This review is for a previous version of the add-on (12.0). 

Calendar Tweaks 8.0 is compatible with Thunderbird 68 and Lightning 68. Calendar Tweaks 8.0 has been submitted to the Thunderbird team for review and should be released in a week or so.