Reasons to negatively affect keyboard disappearing animation

[jasudev]

When you run the sample project, hiding the keyboard exposes the message below. It also has a negative impact on keyboard disappearing animations. Can you see why?

2019-11-15 08:36:18.949460+0900 RxKeyboardRxKeyboardExample[11852:3243216] -[UIWindow endDisablingInterfaceAutorotationAnimated:] called on <UITextEffectsWindow: 0x10a80b400; frame = (0 0; 375 812); opaque = NO; autoresize = W+H; layer = <UIWindowLayer: 0x282c38ce0>> without matching -beginDisablingInterfaceAutorotation. Ignoring.