Another thing that annoyed me about the previous mobile Firefox was the 'x' in the URL bar closed the bar instead of clearing it like Brave. I had to unlearn months of muscle memory since it was a habit of mine. Maybe it doesn't matter since it's just an issue after switching.
My two main gripes are the default search engine and telemetry. Both of these options should be set by the user on first launch. I don't want to use Google and I don't want to send data to Mozilla.
* or, places that are hard to reach for most users
2) same browser gets put on a mobile phone, wants to "feel natural"
3) url bar goes in the "familiar" place.
Mobile-first design really hasn't taken hold for many UX web designers (and/or the organizations haven't adapted). Relatively speaking, large phones where it's difficult to reach the top weren't popular until recently. Even mobile apps are just starting to put navigation towards the bottom.
What "native look and feel" are you talking about?