Rated 5 out of 5 stars

If you restart Thunderbird, the compact display will be canceled.
I want the option to always be compact.
TB 78.0.1

Add
Thank you for your support.

This review is for a previous version of the add-on (2.1). 

I can't reproduce this, please use the provided support email address for bug reports.

Edit 3-8-20: it's fixed, waiting for approval.