Earlier quoted context omitted.
I was with you up until a couple of months ago. But IMO the latest versions have caught up with Chrome. They've sorted the performance (scroll performance and UI) issues with the new "fenix" version. The tab switching works great now. And the latest (stable) version even supports pull-to-refresh. Add extension support to that (notably ublock) and I've made it my default browser (and that's on merit, not for ideologic…
Performance on Fenix is possibly even worse than Fennec for me. Every time I switch to a different app and back to Firefox it has cleared the page out of memory and needs to reload it (and my phone has 4 GB of RAM). Fun times if you need to copy a 2FA code and then go back to the browser. Then there's the other weird issues. The bottom 5% of the page or so usually doesn't really render correctly (especially if it's a…
I think that bottom 5% issue is fixed now, not sure.
One annoying problem is that sometimes it jumps around the page when collapsing comments in sites like HN.
Another problem is occasional random crashes when private browsing. Only on android. Anyone else here have the same problem? 99% of times, I send crash report. Hope they fix it. Or maybe it's a problem with my phone?
Love Firefox though.