Not display the appearance category for my custom widget on the editor

CrossSlider slate extended by “Slider slate” made to set the value at the same time in the X-axis and Y-axis. It’s binding FVector2D type as the value like that the slider bind float type as the value.
4.72 was work well. But after update to 4.81, not appear binding slot in Blueprint editor. I can’t set the FVector variable to my cross slider widget.
And I found that appearance category was not displayed on the screen. What should I do to be re-Binding the value with my FVector2D variable of my custom widget?

I solved it. In 4.72 below code worked well.
/** The volume value to display. */
UPROPERTY(EditDefaultsOnly, Category=Appearance)
FVector2D Value;
It means that it display the value for binding on the details.
but 4.82 not display it. So I changed the code.
UPROPERTY(EditAnywhere, Category=Appearance)
It works!