Ray tracing in sequencer causing AO ghosting

Download the licensee repro here- [Link Removed]

Open the AO level and go to the AO_Sequence level sequence actor.

Scrub the slider between 0 and 30 seconds.

Ghosting of the rotating pipe remain for a few frames (see image)

LS-0019-IS-PQR23 on the start of running UE4

Request a info about UE-127172 bug tracker

I am not able to find world outliner how to enable it?

What property of the Slider is the image used when dragging?

What properties of the progress bar can be used for drag and drop highlighting?

How to achieve HLSL Multiple Render Target in Material blueprints?

What method is used to fill polygonal regions when drawing spline mesh at run time?

How does UMG set overlapping layouts?

How does TextureRenderTarget2D get TArray<uint8> type data?

How to properly terminate the DoWork thread function in FAsyncTask?