Rated 5 out of 5 stars

Super! Works well.
Thx
I bought the PRO version

This review is for a previous version of the add-on (5.1). 

Rated 5 out of 5 stars

Where did the icons go?
I'm using: Mozilla Thunderbird 86.0b3 (64-bit) and
QuickFilters 5.1
Thx!

This review is for a previous version of the add-on (5.1). 

I am currently working on a version that works better with the beta version of Thunderbird. IF you want to use the current version 5.1 you can toggle browser.tabs.remote.autostart = false, or wait for a patch - for a trial version, see here:
https://github.com/RealRaven2000/quickFilters/issues/48

Rated 5 out of 5 stars

but on 80.0b2 not working...
update:
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.