This addon free up my hands clicking for those replies that I used to notice them down to my notes. thank you very much it works perfectly.

I've tried the extension and it's installed but it's not working. I want to ask how to use this extension on what version of mozilla, thanks devloper

Thanks a lot.
it works great on 20201015 to expand "view xx replies" but "show more replies" does not expend.
We need more of these small helps that put little effort on the creator but efficiently benefit a lots.