Same problem, Xcode 16.1 (16B40), MacOS 15.0.1 (24A348)

Yeah, this issue occurred after setting both barStyle and appearance. Xcode 13 RC Code Hinting is terrible......

@Claude31 Xcode 13 RC did not support this API. Where did you find it？

Thks, I used Xcode 13 beta 5, I'll try it with RC.