I am not the only person with this problem:
Something calendar entries in Lightning register as status Tentative and it shows in a different transparent shade of the calendar color. I can manually change the status to confirmed directly in lightning however that is a pain. Plus, it sounds crazy but having these entries a different shade/color drives me nuts.
Now see: http://forums.mozillazine.org/viewtopic.php?f=46&t=2318957 for a way to deal with this… except of course, it is not the complete solution and only works after a slight modification. So what to do:Continue reading Transparent calender items in Thunderbird