There was an onboarding screen when you first launched Firefox that offered several choices. One of them was address bar at top. Others include dark mode and strict tracking protection.
I did not get it either, but may have overlooked it.
After the address bar on top, it is possible to disable the suggested search terms, which solves the race condition. It now looks more familiar but it remains:
- opening a blank tap requires a top-left corner tap and a bottom-left corner tap: quite a bit of thumb exercise
- the colors: I cant help thinking of a well-known french porn producer color-style. So I do not mind they are used in incognito mode, but I do for normal mode, which I always use.