Developer reply by steva
Rated 5 out of 5 stars
love this but need it for 68.2.
please update?
Thank you for your comment.
You can find here the TB68 compatible version: https://addons.thunderbird.net/En-US/thunderbird/addon/deepdark-for-thunderbird
Before installing it, please, read very carefully and entirely all the add-on's description.
To create your own collections, you must have a Mozilla Add-ons account.