Ontwikkelaar (DW-dev) se antwoord
Rated 4 out of 5 stars
Calendar Tweaks 8.0. does not remember setting for to show event background with color from category.
After restart of Thunderbird 68.3.0 the backgroudn color is gone.
I hope this nice addon gets fixed.
Please see reply to review by Code Name (above).
Om eie versamelings te bou, is 'n Mozilla-byvoegingsrekening nodig.