I don't know...at one point I got off Firefox because it was slow and I was never able to get back to it ever again. Maybe I should try now?
Do it. It's the only truly independent browser left.
It's not perfect, but it works, and unlike Chrome you can have full ad blocking with uBlock Origin.
Why do you actually ask? Switching browsers has got to be one of the easiest software to switch, right?
Give it another go. You'll be surprised.
After I upgraded my laptop (Ryzen 2700 => 8845HS) it has felt as though Firefox is much closer to Chrome.
While I do not think that the gap narrowed when measured in CPU-cycles, it's just not very noticable when Firefox doesn't feel slow.