Developer reply by steva
Rated 5 out of 5 stars
Your addon allows me to work without disturbing the sleep of children. Many thanks! I look forward to an update, because it does not work on 68.3.1
Thanks for your feedback. 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.