Rated 1 out of 5 stars

I cannot believe that lightning is still not working, and nothing has been done to rectify the problem , it has been months and we still cannot use lightning.
The only other option for me is to download Ubuntu mate which has lightning incorporated in Thunderbird which is excellent.

This review is for a previous version of the add-on (5.4).  This user has a previous review of this add-on.