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[4.8.3] 3D Widget does not refresh after key events

Hi,

I have created umg widget and set it as a 3D widget component on my static mesh. Then I have implemented event to hide my 3D widget after pressing keyboard key in my character blueprint, but no changes occur (widget remains visible).

When the same widget is added to viewport as 2D it works properly.

Do you know how should I update 3D UMG widgets during runtime and if they work correctly in 4.8.3?

Thanks for any help.

Any ideas? Maybe I should use different way for dispatching events? Do you have any working samples with 3D widgets interaction in 4.8.3?