Yes, I use Fennec too. It's not lack of extensions that's the problem. It's the user experience of the mobile UI of Firefox in general. It's terrible. Too many

Yes, I use Fennec too. It's not lack of extensions that's the problem. It's the user experience of the mobile UI of Firefox in general. It's terrible. Too many actions behind too many taps, long animation durations within the UI, can't move tabs around (except in Nightly), new tab page getting in the way of everything, no tabs on tablets, and more. Firefox 68 is still so much faster and superior in those regards, despite any issues it had.