It is weird putting the tabbar on top.
Apple should give us a way to put the Tabbar back to bottom, just like the old version.
Otherwise, I will write a custom view to bring the old feature back.
Every year, WWDC brings additional workload to developers.
I HATE WWDC
Hate is usually a bad adviser… 😇
So you'd better file a bug report, as done here: https://developer.apple.com/forums/thread/756652
But it is likely a definite design choice to save space on iPad (not possible on iPhone probably because of Dynamic Island) and progressively all apps will adopt, so it is probably better to get accustomed to it…
“… and progressively all apps will adopt, so it is probably better to get accustomed to it…”
i find it easier to work with what my users will expect, not what I think best. Apple manages opinions by the shear weight off their ecosystem