I just use Fennec F-Droid with a couple of extensions (uBlock Origin, TWP Translate for Mobile, Dark Reader, Bypass Paywall Cleans from XPI file). It's fully compatible with all websites unlike e.g. Mull which is more aggressive on privacy settings but can break some websites because of it.
The main difference to the normal Mozilla Firefox for Android is that it's fully FOSS, removed all telemetry, and has some small improvements e.g. about:config
is accessible.