Rated 2 out of 5 stars

Xubuntu 20.04
Thunderbird 68.10.0
Remove Duplicate Messages 0.5rc1

1) I cannot see addon`s options window - any way.
2) Addon freeze on folder with 600 000 messages.

This review is for a previous version of the add-on (0.5rc1).  This user has other reviews of this add-on.