Developer reply by DW-dev
Rated 5 out of 5 stars
I really would appreciate a version that is compatible with latest Lightning. I use this plugin a lot !
This review is for a previous version of the add-on (11.1).ACCOUNT COLOURS NOW WORKS WITH THUNDERBIRD 68.0
Please see reply to Jaak Hillen above.
To create your own collections, you must have a Mozilla Add-ons account.