> For me, before Firefox 57, it worked superbly for me. Afterwards, of my 13 essential addons, only 2 still worked and one of those was trivial and unimportant.

> For me, before Firefox 57, it worked superbly for me. Afterwards, of my 13 essential addons, only 2 still worked and one of those was trivial and unimportant. What are those extensions? I myself use 16 extensions, and I don’t think it has ever happened that I wanted to use an extension that wasn’t compatible with post-57 Firefox. > It's forced telemetry that kicked the entire browser offline for millions … And yet it includes a huge complicated "developer mode" that 99.9% of users never want and never see. My question was, what features were removed? What does that have to do with telemetry and devtools?