Actually, I have. It gives me better tracking protection than vanilla Safari, it allows me to use SearXNG, and it means I can set a custom homepage. Also, for some reason, Safari has no private mode on my phone.
Not to mention that Mozilla is working on a Gecko-based version of the browser, as Apple is being forced by the EU to allow sideloading, third-party app stores, and third-party browser engines.
A very nice list. I believe the entire Simple Mobile project has been forked to preserve the brilliant apps before their new owner completely butchers them. However, I don’t have a link handy right now.