Rated 5 out of 5 stars

Please update to new thunderbird 68

This review is for a previous version of the add-on (1.5). 

Will do give me a few weeks because it's hard. This year was especially tricky because of Mozilla removing xbl bindings....

Update - Here is a test version:
https://github.com/RealRaven2000/FiltaQuilla/issues/15