I tried Firefox again about once a year, up until about 2022, and left disappointed again each time. Rust was important. Servo too. I'm not just hopping on the 'Mozilla blows money' train for no reason, I'm sad to see the browser languish while they blow money on things that don't matter. This doesn't matter.
I use Brave now, which has a whole host of haters, some for good reason. But it blocks ads and runs circles around Firefox on every platform that I use.