Rated 5 out of 5 stars

but on 80.0b2 not working...
Works fine on 83.0b1! Thanks!
I'll buy it!

This review is for a previous version of the add-on (4.4.1). 

current esr: 68.11
we are working on a version for 78 - will take about 3-4 weeks. 78 will not be auto-pushed to ESR users until end of September.