Rated 1 out of 5 stars

Why installation requires full access to anything on my computer ?!? See https://support.mozilla.org/ru/kb/permission-request-messages-thunderbird-extensions

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). 

Rated 2 out of 5 stars

Xubuntu 20.04
Thunderbird 68.10.0

Cannot open addon-option`s window.
Cannot see any messages about search duplicate results.

This review is for a previous version of the add-on (0.5b2). 

Rated 5 out of 5 stars

Version 0.3.9b - icons look good :)
But I cannot switch on search in special folders in option - any mark do not do it.

This review is for a previous version of the add-on (0.3.7). 

Please file a bug report at http://www.mozdev.org/bugs/ with the exact phenomenon you're seeing, and exactly what you tried to do and didn't work.