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

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

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

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