White lines in Bitmap tracing!

I just downloaded the Corel Grpahics Suite 2020, in a hope of, that the frustrating error with the white lines in Trace results from Bitmap was solved. But I can see, that this error is still existing. Why is this error still existing, after years as a known problem? 

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  • Are you sure they are, in fact, white lines or is it just an appearance i.e. set your view to normal instead of enhanced. Ungroup the trace and see if white is in there. Perhaps what you are seeing is where two colors appear to fall on top of one another. The color that appears as though it is to the back will still have that color missing where the top shape falls. Whereby giving the appearance of a gap in color.

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